by jatu76 | created - 09 Feb 2011 | updated - 3 months ago | Public

1. Elizabeth Olsen

Actress | Martha Marcy May Marlene

Elizabeth Chase "Lizzie" Olsen (born February 16, 1989) is an American actress. She is known for her roles in the films, Silent House (2011), Liberal Arts (2012), Godzilla (2014), Avengers: Age of Ultron (2015) and Captain America: Civil War (2016). For her role in the critically-acclaimed Martha ...

2. Sandra Oh

Actress | Grey's Anatomy

Sandra Oh was born to Korean parents in the Ottawa suburb of Nepean, Ontario, Canada. Her father, Oh Junsu, a businessman, and her mother, Oh Young-nam, a biochemist, were married in Seoul, South Korea. They both attended graduate school at the University of Toronto. Sandra began her career as a ...

3. Chris O'Dowd

Actor | Bridesmaids

Christopher "Chris" O'Dowd (born 9 October, 1979) is an Irish actor and comedian best known for his role as Roy Trenneman in the Channel 4 comedy The IT Crowd. O'Dowd created and is starring in the Sky 1 television series Moone Boy. He had a recurring role on the drama series Girls and starred in ...

4. Jack O'Connell

Actor | Unbroken

Jack O'Connell was born in Alvaston, Derby, England, to Alison J. (Gutteridge) and John Patrick O'Connell. His mother is English, and worked at British Midland, and his father was Irish (from County Kerry), and worked on the railways for Bombardier. Jack went to Saint Benedict Catholic School, and ...

5. Colin O'Donoghue

Actor | The Rite

O'Donoghue was born and raised in Drogheda, County Louth, in a Roman Catholic family. He initially attended Dundalk Grammar School, and then The Gaiety School of Acting in Dublin. At age 16, O'Donoghue went to Paris, France, for a month to learn the French language. Colin's early career was mainly ...

6. Alex O'Loughlin

Actor | Hawaii Five-0

The Australian actor Alex O'Loughlin was born in August 1976.

Alex started out his film career in 2004, when he starred in Oyster Farmer (2004) as Jack Flange. The following year, he returned to the big screen as Michael Carter in Feed (2005), a movie that he also co-produced and helped write. Also ...

7. Ryan O'Neal

Actor | Love Story

Ryan O'Neal was born on April 20, 1941 in Los Angeles, California, USA as Charles Samuel Eldridge Patrick Ryan O'Neal III. He is an actor, known for Love Story (1970), Paper Moon (1973) and What's Up, Doc? (1972). He was previously married to Leigh Taylor-Young and Joanna Moore.

8. Frances O'Connor

Actress | Artificial Intelligence: AI

Frances O'Connor was born on June 12, 1967 in Wantage, Oxfordshire, England. She is an actress, known for A.I. Artificial Intelligence (2001), Timeline (2003) and Mansfield Park (1999). She is married to Gerald Lepkowski. They have one child.

9. Chord Overstreet

Actor | Glee

Chord Overstreet was born in Nashville, Tennessee, to Julie (Miller), a make-up artist, and Paul Overstreet, a country musician and songwriter whose own father was a pastor. Chord and his five siblings were raised in a creative and music-filled environment, with their father highly involved in the ...

10. Tatum O'Neal

Actress | Paper Moon

Tatum O'Neal was born on November 5, 1963 in Los Angeles, California, USA as Tatum Beatrice O'Neal. She is an actress and producer, known for Paper Moon (1973), The Runaways (2010) and The Bad News Bears (1976). She was previously married to John McEnroe.

11. Dean O'Gorman

Actor | The Hobbit: An Unexpected Journey

Dean O'Gorman was born on December 1, 1976 in Auckland, New Zealand. He is an actor, known for The Hobbit: An Unexpected Journey (2012), The Hobbit: The Desolation of Smaug (2013) and Trumbo (2015). He has been married to Sarah Wilson since January 8, 2016.

12. Bob Odenkirk

Actor | Better Call Saul

Robert John Odenkirk was born in Berwyn, Illinois, to Barbara (Baier) and Walter Odenkirk, who worked in printing. His ancestry includes German and Irish. He grew up in Naperville, IL, the second of seven children. He worked as a DJ for WIDB, his college radio station at Southern Illinois ...

13. Brían F. O'Byrne

Actor | Million Dollar Baby

Brían F. O'Byrne was born on May 16, 1967 in Mullagh, County Cavan, Ireland as Brían Flynn O'Byrne. He is an actor, known for Million Dollar Baby (2004), Before the Devil Knows You're Dead (2007) and Bug (2006).

14. Kieran O'Brien

Actor | 9 Songs

Born in Lancashire, England, Kieran O'Brien first rose to prominence as a child star on the BBC series Gruey (1988). He then enjoyed further success with a recurring role on the ITV series Children's Ward (1989). O'Brien continued acting into his adulthood, appearing regularly in Coronation Street ...

15. Terry O'Quinn

Actor | Lost

Terry O'Quinn was born on July 15, 1952 in Sault Ste. Marie, Michigan, USA as Terrance Quinn. He is an actor, known for Lost (2004), The Stepfather (1987) and Young Guns (1988). He was previously married to Lori O'Quinn.

16. Catherine Oxenberg

Actress | Dynasty

Award-winning actress Catherine Oxenberg was born in New York and raised in London. She is the daughter of HRH Princess Elizabeth of Yugoslavia and thus granddaughter of Prince Paul, the former Regent of Yugoslavia. Her first acting coach was Richard Burton. She was admitted to Harvard University. ...

17. Hugh O'Conor

Actor | Chocolat

A young dramatic actor of film and TV who has appeared in several dark big-screen dramas, the Irish-born O'Conor (not to be confused with the late American actor Hugh O'Connor) began acting at the age of eight. O'Conor was still a relative unknown pre-teen when he co-starred with Liam Neeson in the...

18. Denis O'Hare

Actor | Dallas Buyers Club

Denis O'Hare was born on January 17, 1962 in Kansas City, Missouri, USA as Denis Patrick Seamus O'Hare. He is an actor, known for Dallas Buyers Club (2013), Milk (2008) and Garden State (2004). He has been married to Hugo Redwood since July 28, 2011. They have one child.

19. Peter Outerbridge

Actor | Lucky Number Slevin

Outerbridge, together with two older sisters and two older brothers, grew up in Toronto, Ontario. While his father practiced law, his mother studied piano at the Royal Conservatory of Music. He comes from a family of artists, as his uncle (though not by blood) was opera singer Jon Vickers, and his ...

20. Catherine O'Hara

Actress | Best in Show

Born March 4, 1954 in Ontario, Canada. Attended Burnhamthorpe Collegiate Institute. Began career with starring on television series SCTV (1976). Notable films roles include: the over-dramatic and self-centered Delia Deetz in Tim Burton's Beetlejuice (1988), Kate McCallister, Macaulay Culkin's ...

21. Sinéad O'Connor

Soundtrack | In the Name of the Father

Sinéad O'Connor was born on December 8, 1966 in Dublin, Ireland as Sinéad Marie-Bernadette O'Connor. She has been married to Barry Herridge since December 8, 2011. She was previously married to Steve Cooney, Nicholas Sommerlad and John Reynolds.

22. Charlie O'Connell

Actor | Dude, Where's My Car?

Charlie O'Connell was born on April 21, 1975 in New York City, New York, USA as Charles O'Connell. He is an actor, known for Dude, Where's My Car? (2000), Cruel Intentions (1999) and Crossing Jordan (2001).

23. Matt O'Leary

Actor | Frailty

Matt O'Leary was born on July 6, 1987 in Chicago, Illinois, USA as Matthew Joseph O'Leary. He is an actor and director, known for Frailty (2001), Live Free or Die Hard (2007) and Death Sentence (2007).

24. Rosie O'Donnell

Actress | Sleepless in Seattle

Rosie O'Donnell was born into an Irish-American family in Commack, Long Island. She is the middle of 5 children, and is the daughter of Roseann Teresa (Murtha) and Edward Joseph O'Donnell, an electrical engineer for the defense industry. Her mother died when she was ten. She said that she watched ...

25. Ashley Olsen

Actress | Full House

Ashley Fuller Olsen (born June 13, 1986) is an American fashion designer, producer, author, businesswoman and former actress. She co-founded luxury fashion brands The Row, Elizabeth and James, and the more affordable lines Olsenboye and StyleMint with her twin sister Mary-Kate Olsen. She is also ...

26. Mary-Kate Olsen

Actress | It Takes Two

Mary-Kate Olsen (born June 13, 1986) is an American actress, fashion designer, producer, author, and businesswoman. She co-founded luxury fashion brands The Row, Elizabeth and James, and the more affordable lines Olsenboye and StyleMint alongside her fraternal twin sister Ashley Olsen. Olsen ...

27. Ed O'Neill

Actor | Married with Children

Ed O'Neill is an American actor best known for playing Al Bundy on Married with Children (1986), the most iconic working class character on television since Archie Bunker. Upon his debut on the world stage in Youngstown, Ohio on April 12, 1946, he was christened Edward Philip O'Neill, Jr. Both his ...

28. Zak Orth

Actor | Wet Hot American Summer

Zak Orth was born on October 15, 1970 in Libertyville, Illinois, USA as Adam Zakary Orth. He is an actor, known for Wet Hot American Summer (2001), Revolution (2012) and Casual (2015). He has been married to Kat Schaufelberger since October 10, 2010. He was previously married to Heidi Neurauter.

29. Mike O'Malley

Actor | Meet Dave

Mike O'Malley was born on October 31, 1966 in Boston, Massachusetts, USA as Michael Edward O'Malley. He is an actor and producer, known for Meet Dave (2008), Glee (2009) and Sully (2016). He has been married to Lisa since 2000. They have three children.

30. Carré Otis

Actress | Wild Orchid

Carré Otis was born on September 28, 1968 in San Francisco, California, USA as Carré Brennan Otis. She is an actress, known for Wild Orchid (1989), Exit in Red (1996) and Going Back (2001). She has been married to Matthew Sutton since December 2005. They have two children. She was previously ...

31. Leland Orser

Actor | Daredevil

Leland Orser was born on August 6, 1960 in San Francisco, California, USA as Leland Jones Orser. He is an actor and director, known for Daredevil (2003), Se7en (1995) and Alien: Resurrection (1997). He has been married to Jeanne Tripplehorn since October 14, 2000. They have one child. He was ...

32. Ken Olandt

Actor | Summer School

Ken Olandt, an American actor, producer and co-founder of Unified Film Organization, LLC. Olandt is best known for starring roles in Summer School, Leprechaun and April Fool's Day.

Olandt was born on April 22, 1958 in Richmond California. The 2nd son of Robert H. Olandt, an oil executive and Beverly...

33. Ken Olin

Actor | Thirtysomething

His dark, sincere good looks were steadily put to use on the small screen during the 80s, but, in retrospect, actor Ken Olin will probably be considered more of a major force behind the camera. Born in Chicago, Ken went to the University of Pennsylvania in Philadelphia and headed for Hollywood in ...

34. Michael O'Keefe

Actor | Caddyshack

Michael O'Keefe was born on April 24, 1955 in Mount Vernon, New York, USA as Raymond Peter O'Keefe Jr. He is an actor and director, known for Caddyshack (1980), Michael Clayton (2007) and The Pledge (2001). He has been married to Emily Donahoe since September 18, 2011. They have one child. He was ...

35. Cheri Oteri

Actress | Scary Movie

Cheri Oteri was born on 19th September 1962, in Philadelphia, Pennsylvania. She grew up in Upper Darby, Pennsylvania, graduating from Archbishop Prendergast High School, then moved to Los Angeles when she was 25, where she worked in Promotions for A&M records for 4 years, and joined up with the ...

36. Vincent Oshana

Actor | 'Til Death

Vincent Oshana is an actor and producer, known for 'Til Death (2006), Discount Fitness (2015) and Dance Flick (2009).

37. Emily Osment

Actress | Hannah Montana: The Movie

Emily Jordan Osment was born in Los Angeles on March 10th, 1992. She is the younger sister of The Sixth Sense star, Haley Joel Osment. Her father is also an actor of some renown. Following in their footsteps, Emily started her acting career performing in several commercials, including a radio spot ...

38. Rubén Ochandiano

Actor | The Infiltrator

After being trained in acting, singing and contemporary dance by different professors, Ruben completed his education studying acting with Juan Carlos Corazza.

When he was in his 20s, Rubén spent a year living and working in Buenos Aires where he made contact with a number of avant-garde creators.