Sidney Blackmer (1895–1973)

Down 7,996 this week
1:38 | Trailer
Sidney Blackmer, the Tony-award winning actor who played Teddy Roosevelt in seven movies, is best remembered by today's movie audiences for his turn as the warlock/coven-leader Roman Castevet in Roman Polanski's Rosemary's Baby (1968). Born and raised in Salisbury, North Carolina, where he made his debut on July 13, 1895, he had planned as a young ... See full bio »

The Best Movies and Shows in September

From Ana de Armas in a Marilyn Monroe biopic to a new Star Wars series, here are the best movies and series to watch in September.

See the IMDb Editors' picks

IMDb's Top 50 TV Dramas

From "Better Call Saul" to "Severance," take a look at the 50 best drama series today, according to IMDb users. How many of these shows have you seen?

See the full list

We Love These Hollywood Power Couples

Check out some of our favorite couples in Hollywood.

See the gallery

On Prime Video

User Lists

Related lists from IMDb users

a list of 40 people
created 28 Sep 2017
a list of 1241 people
created 28 Sep 2011
a list of 294 people
created 1 month ago
a list of 2363 people
created 09 Aug 2016
a list of 195 people
created 08 Oct 2014

Do you have a demo reel?

Add it to your IMDb page

How Much Have You Seen?

How much of Sidney Blackmer's work have you seen?

User Polls

2 wins. See more awards »


Known For

Rosemary's Baby Roman Castevet
High Society Seth Lord
The Count of Monte Cristo Fernand Mondego
Deluge Martin Webster


Hide Hide Show Show Actor (178 credits)
 1971 Revenge Is My Destiny
Gregory Mann
 1971 Do You Take This Stranger? (TV Movie)
G.R. Jarvis
 1970 Howdy (TV Movie)
 1968-1969 The Name of the Game (TV Series)
Clarence Dunhill / Roman Stepanak
- Chains of Command (1969) ... Clarence Dunhill
- Pineapple Rose (1968) ... Roman Stepanak
 1968 Rosemary's Baby
Roman Castevet
 1961-1968 Bonanza (TV Series)
Samuel Endicott / Major John F. Cayley
- The Late Ben Cartwright (1968) ... Samuel Endicott
- The Dream Riders (1961) ... Major John F. Cayley
 1967 Gentle Ben (TV Series)
Professor Hugo
- Warden for Man and Beast (1967) ... Professor Hugo
 1967 Daniel Boone (TV Series)
Jasper Ledbedder
- The Jasper Ledbetter Story (1967) ... Jasper Ledbedder
 1967 A Covenant with Death
Col. Oates
 1966 The Girl from U.N.C.L.E. (TV Series)
Professor Antrum
- The Atlantis Affair (1966) ... Professor Antrum
 1962-1966 Dr. Kildare (TV Series)
Dr. Andrew Bennett / Dr. Carleton Lantzinge
- New Doctor in Town (1966) ... Dr. Andrew Bennett
- Operation: Lazarus (1962) ... Dr. Carleton Lantzinge
 1966 Ben Casey (TV Series)
Dr. Morgan Granger
- Lullaby for a Wind-Up Toy (1966) ... Dr. Morgan Granger
- Weave Nets to Catch the Wind (1966) ... Dr. Morgan Granger
- Fun and Games and Other Tragic Things (1966) ... Dr. Morgan Granger
- Smile, Baby, Smile, It's Only Twenty Dols of Pain (1966) ... Dr. Morgan Granger
- For San Diego, You Need a Different Bus (1966) ... Dr. Morgan Granger
 1965 Joy in the Morning
Dean James Darwent
 1965 How to Murder Your Wife
Judge Blackstone
 1964 The Reporter (TV Series)
Sam Carmody
- A Time to Be Silent (1964) ... Sam Carmody
 1964 Profiles in Courage (TV Series)
Oscar W. Underwood
- Oscar W. Underwood (1964) ... Oscar W. Underwood
 1964 The Ed Sullivan Show (TV Series)
Paul Cleary - scene from 'A Case of Libel'
- Episode #17.17 (1964) ... Paul Cleary - scene from 'A Case of Libel'
 1963 The Defenders (TV Series)
Lionel Tydings
- The Empty Heart (1963) ... Lionel Tydings
 1963 The Outer Limits (TV Series)
William Lyons Selby
- The Hundred Days of the Dragon (1963) ... William Lyons Selby
 1963 The DuPont Show of the Week (TV Series)
Arthur Hartwick
- Diamond Fever (1963) ... Arthur Hartwick
 1962 Target: The Corruptors! (TV Series)
T.C. Muffett
- The Malignant Hearts (1962) ... T.C. Muffett
 1955-1962 Alfred Hitchcock Presents (TV Series)
Otis Jones / Frank Partridge
- The Faith of Aaron Menefee (1962) ... Otis Jones
- Don't Come Back Alive (1955) ... Frank Partridge
 1962 Cain's Hundred (TV Series)
Joseph Callan
- The Manipulator: Raymond Cruz (1962) ... Joseph Callan
 1961 Thriller (TV Series)
Edward Stapleton
- The Premature Burial (1961) ... Edward Stapleton
 1960 The Best of the Post (TV Series)
- Early Americana (1960) ... John
 1959 Sunday Showcase (TV Series)
H.L. Harrington
- What Makes Sammy Run?: Part 2 (1959) ... H.L. Harrington
- What Makes Sammy Run?: Part 1 (1959) ... H.L. Harrington
 1959 The Joseph Cotten Show: On Trial (TV Series)
- Strange Witness (1959) ... Christopher
 1959 The Magical World of Disney (TV Series)
Sam Underwood
- Texas John Slaughter: The Slaughter Trail (1959) ... Sam Underwood
 1958-1959 The Rifleman (TV Series)
Judge Hanavan
- The Photographer (1959) ... Judge Hanavan
- The Safe Guard (1958) ... Judge Hanavan
- The Sharpshooter (1958) ... Judge Hanavan
 1959 Wanted: Dead or Alive (TV Series)
Judge Cooper
- Rope Law (1959) ... Judge Cooper
 1958 Target (TV Series)
- Breaking Point (1958)
- I Owe You (1958)
 1958 Westinghouse Desilu Playhouse (TV Series)
- The Night the Phone Rang (1958) ... Woodson
 1958 Pursuit (TV Series)
Mr. Carpenter
- Free Ride (1958) ... Mr. Carpenter
 1958 The Texan (TV Series)
Orin McKnight
- The Edge of the Cliff (1958) ... Orin McKnight
 1956-1958 Matinee Theatre (TV Series)
- The Cause (1958)
 1958 General Electric Theater (TV Series)
- Strange Witness (1958) ... Christopher
 1958 The Adventures of Jim Bowie (TV Series)
Don Juan de Veramendi
- Horse Thief (1958) ... Don Juan de Veramendi
- Apache Silver (1958) ... Don Juan de Veramendi
- Ursula (1958) ... Don Juan de Veramendi
 1958 Zane Grey Theatre (TV Series)
Judge Hanavan
- The Sharpshooter (1958) ... Judge Hanavan
 1958 The Californians (TV Series)
Hector Jones
- The Coward (1958) ... Hector Jones
 1956-1958 Climax! (TV Series)
Frank Bellason / Prrof. Watson
- Scream in Silence (1958) ... Frank Bellason
- Flame-Out in T-6 (1956) ... Prrof. Watson
 1957 The Sheriff of Cochise (TV Series)
U.S. Marshal Allen Avery
- Federal Witness (1957) ... U.S. Marshal Allen Avery
 1957 Tammy and the Bachelor
Professor Brent
 1956 The Little Foxes (TV Movie)
 1952-1956 Robert Montgomery Presents (TV Series)
Julian Prescott / Vardis Ward
- One Bright Day (1956) ... Julian Prescott
- Paper Town (1955) ... Vardis Ward
- Victory (1952)
 1956 Accused of Murder
Frank Hobart
 1956 Beyond a Reasonable Doubt
Austin Spencer
 1956 High Society
Seth Lord
 1956 The Star and the Story (TV Series)
Walter Horn
- Arab Duel (1956) ... Walter Horn
 1956 Front Row Center (TV Series)
- Strange Suspicion (1956) ... Alden
 1955 Star Stage (TV Series)
- Dr. Jordan (1955)
 1955 The View from Pompey's Head
Garvin Wales
 1955 Damon Runyon Theater (TV Series)
Wilson 'Big Bill' Randall
- The Big Fix (1955) ... Wilson 'Big Bill' Randall
 1955 Danger (TV Series)
 1954 The Ford Television Theatre (TV Series)
Wade Anthony
- Shadow of Truth (1954) ... Wade Anthony
 1954 The United States Steel Hour (TV Series)
Richard Elgin, Sr.
- The Notebook Warrior (1954) ... Richard Elgin, Sr.
 1954 Johnny Dark
James Fielding
 1954 The High and the Mighty
Humphrey Agnew
 1954 Justice (TV Series)
- Run from Honor (1954)
 1951-1954 Armstrong Circle Theatre (TV Series)
- Last Chance (1951)
 1953 Never Kick a Man Upstairs (TV Movie)
Theodore Roosevelt
 1953 Goodyear Playhouse (TV Series)
- Hollywood Tandem (1953)
 1952 The Web (TV Series)
- The Tower (1952)
 1952 Hallmark Hall of Fame (TV Series)
- Refresher Course (1952)
 1952 Washington Story
Philip Emery
 1952 Broadway Television Theatre (TV Series)
Nifty Miller
- The Barker (1952) ... Nifty Miller
 1952 The San Francisco Story
Andrew Cain
 1951 Tales of Tomorrow (TV Series)
Tim Hathaway
- The Dark Angel (1951) ... Tim Hathaway
 1951 Lights Out (TV Series)
 1951 Saturday's Hero
T. C. McCabe
 1951 People Will Talk
Arthur Higgins
 1949-1951 Suspense (TV Series)
Dr. Steven Archer
- Post Mortem (1949) ... Dr. Steven Archer
 1949-1951 The Philco Television Playhouse (TV Series)
Ross / Marvin Platt
- Television Story (1951)
- Macbeth (1949) ... Ross
- Dark Hammock (1949) ... Marvin Platt
 1949 NBC Presents (TV Series)
- Tin Can Skipper (1949)
 1948 The Chevrolet Tele-Theatre (TV Series)
- Close Quarters (1948)
 1948 A Song Is Born
 1948 My Girl Tisa
Theodore Roosevelt
 1946 Duel in the Sun
The Lover
 1944 Wilson
Josephus Daniels
 1944 Broadway Rhythm
Press Agent (uncredited)
 1944 Buffalo Bill
Theodore Roosevelt (uncredited)
 1944 The Lady and the Monster
Eugene Fulton
 1943 In Old Oklahoma
Teddy Roosevelt
 1943 Tropical Sportland (Short)
 1943 Murder in Times Square
George Nevins
 1942 Quiet Please: Murder
Martin Cleaver
 1942 Sabotage Squad
Carlyle Harrison
 1942 Gallant Lady
Steve Carey
 1942 The Panther's Claw
Police Commissioner Thatcher Colt
 1942 Always in My Heart
Philip Ames
 1942 Obliging Young Lady
 1942 Nazi Agent
Arnold Milbar
 1941 The Feminine Touch
Freddie Bond
 1941 Down Mexico Way
Ellery Gibson
 1941 The Officer and the Lady
Blake Standish
 1941 Ellery Queen and the Perfect Crime
Anthony Rhodes
 1941 Angels with Broken Wings
Guy Barton
 1941 Love Crazy
George Renny
 1941 Rookies on Parade
Augustus Moody
 1941 The Great Swindle
Dave Lennox
 1941 Murder Among Friends
Mr. Wheeler
 1941 Cheers for Miss Bishop
John Stevens
 1940 Third Finger, Left Hand
Hughie Wheeler
 1940 I Want a Divorce
Erskine Brandon
 1940 Dance, Girl, Dance
Puss in Boots
 1940 Maryland
Spencer Danfield
 1940 Teddy the Rough Rider (Short)
Theodore Roosevelt
 1940 Framed
Tony Bowman
 1939 Law of the Pampas
Ralph Merritt
 1939 The Monroe Doctrine (Short)
Theodore Roosevelt
 1939 Hotel for Women
 1939 Trapped in the Sky
 1939 Unmarried
Cash Enright
 1939 It's a Wonderful World
Al Mallon
 1939 Within the Law
George Demarest
 1939 Fast and Loose
'Lucky' Nolan
 1939 Convict's Code
Gregory Warren
 1938 Trade Winds
Thomas Bruhme II
 1938 While New York Sleeps
Ralph Simmons
 1938 Orphans of the Street
 1938 Sharpshooters
Baron Orloff
 1938 Suez
Marquis Du Brey
 1938 Down on the Farm
Political Boss (uncredited)
 1938 Straight Place and Show
'Lucky' Braddock
 1938 Speed to Burn
 1938 In Old Chicago
General Phil Sheridan
 1937 Thank You, Mr. Moto
Herr Koerger
 1937 Charlie Chan at Monte Carlo
Victor Karnoff
 1937 The Last Gangster
Newspaper Editor
 1937 Heidi
Herr Sesemann
 1937 Wife, Doctor and Nurse
Dr. Therberg
 1937 The Women Men Marry
Walter Wiley
 1937 This Is My Affair
President Theodore Roosevelt
 1937 Michael O'Halloran
Jim Mintum
 1937 John Meade's Woman
Rodney Bentley
 1937 A Doctor's Diary
Dr. Anson Ludlow
 1937 Girl Overboard
Alex LeMaire
 1936 The House of Secrets
Tom Starr
 1936 The President's Mystery
George Sartos
 1936 Missing Girls
Dan Collins
 1936 Early to Bed
Rex Daniels
 1936 Florida Special
Jack Macklyn
 1936 Woman Trap
Riley Ferguson
 1936 Heart of the West
John Trumbull (as Sydney Blackmer)
 1935 Forced Landing
Tony Bernardi
 1935 The Fire-Trap
Cedric McIntyre
 1935 False Pretenses
Kenneth Alden (as Sydney Blackmer)
 1935 Streamline Express
Gilbert Landon (as Sydney Blackmer)
 1935 Smart Girl
Harry Courtland
 1935 Shadows of the Orient
King Moss
 1935 The Girl Who Came Back
Bill Rhodes
 1935 Great God Gold
John Hart
 1935 Behind the Green Lights
Raymond Cortell
 1935 The Little Colonel
 1935 A Notorious Gentleman
Clayton Bradford
 1934 The President Vanishes
D.L. Voorman
 1934 Transatlantic Merry-Go-Round
Lee Lother
 1934 Down to Their Last Yacht
Barry Forbes
 1934 The Count of Monte Cristo
Fernand Mondego
 1934 This Man Is Mine
Mort Holmes
 1933 Good-bye Love
Chester Hamilton
 1933 Deluge
Martin Webster
 1933 The Wrecker
Tom Cummings
 1933 Cocktail Hour
William Lawton
 1933 From Hell to Heaven
Cuff Billings
 1931 It's a Wise Child
 1931 Woman Hungry
Geoffrey Brand
 1931 Little Caesar
Big Boy
 1930 Mothers Cry
Mr. Gerald Hart
 1930 The Lady Who Dared
Charles Townsend
 1930 Kismet
Wazir Mansur
 1930 The Bad Man
Morgan Pell
 1930 Sweethearts and Wives
Anthony Peel
 1930 Strictly Modern
Heath Desmond
 1929 The Love Racket
Fred Masters
 1929 A Most Immoral Lady
Humphrey Sergeant
 1914 Beating Back (as S.A. Blackmer)
Show Show Soundtrack (3 credits)
Show Show Self (13 credits)
Show Show Archive footage (7 credits)

Related Videos


Personal Details

Other Works:

He played Joe Keller in Arthur Miller's play, "All My Sons," at the Hanna Theatre in Cleveland, Ohio. See more »

Publicity Listings:

4 Articles | See more »

Alternate Names:

S.A. Blackmer | Sydney Blackmer


6' (1.83 m)


Suzanne Kaaren  (his death)  (2 children) | See more »


Blackmer, Jonathan | See more »

Did You Know?


His widow, Suzanne Kaaren, became entangled in a battle with Donald Trump during the 1980s. Trump wanted to sell the apartment she rented under New York City's Senior Citizen Rent Increase Exemption Program. Trump wanted more than the $1000 a month restriction and wanted her to sell the apartment. In 1998 he was allowed to turn the apartment into condos--subject, however, to her tenancy. Mrs. ... See more »


Sydney Blackmer

Contribute to This Page

Recently Viewed