Perry Mason: Season 4, Episode 26

The Case of the Duplicate Daughter (20 May 1961)

TV Episode  |   |  Crime, Drama, Mystery
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Ratings: 8.3/10 from 54 users  
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Carter Gilman hires Perry to investigate a female private detective he believes is blackmailing his wife. When Perry calls Paul to look into it, Paul tells him the woman was found murdered. Gilman is charged as she was killed in his shop.



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Title: The Case of the Duplicate Daughter (20 May 1961)

The Case of the Duplicate Daughter (20 May 1961) on IMDb 8.3/10

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Episode cast overview, first billed only:
Don Dubbins ...
Hartley Elliott
Anne Helm ...
Glamis Barlow
Walter Kinsella ...
Carter Gilman
Kaye Elhardt ...
Muriell Gilman
Joyce Mackenzie ...
Nancy Gilman (as Joyce MacKenzie)
Dick Whittinghill ...
Glenn McCoy
Harlan Warde ...
Alan Connors
Nelson Olmsted ...
Cartman Jasper
Michael Fox ...


Carter Gilman seeks Perry Mason's assistance in finding out why a female private detective is blackmailing the wife of a friend. Gilman isn't using his real name however and the 'friend' needing help is actually himself. Gilman has a daughter, Muriell, from a previous marriage and is now married to Nancy whose daughter Glamis is still living with them. After receiving a call from the Gilman women when Carter goes missing and Muriell finds money with something red on it in her father's workshop, Perry visits their home finding Carter's woodworking shop in disarray with $10,000 scattered on the floor with red stain on it. When Paul Drake tells Perry the Las Vegas private detective was found dead, Perry starts to piece together what may have happened. When Glamis' boyfriend Hartley Elliott tells Perry he saw Glamis running out of the workshop in the early morning hours, it seems he may have sealed the girl's fate. It's Carter Gilman however who is charged with murder. Written by garykmcd

Plot Summary | Add Synopsis


Crime | Drama | Mystery





Release Date:

20 May 1961 (USA)  »

Company Credits

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Technical Specs


Sound Mix:

Aspect Ratio:

1.33 : 1
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Did You Know?


Even though Joyce Mackenzie and Anne Helm played mother and daughter, there was only a nine year age difference between them. See more »

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User Reviews

Some unseen cast members
2 November 2012 | by (Buffalo, New York) – See all my reviews

Either the budget wouldn't allow for it or the script ran way over its hour format because this episode of Perry Mason mentions several characters including the victim herself who never make an appearance or have a line of dialog in the show. Not having the victim make an appearance and practically beginning the show with her dead already is an unusual departure from the Perry Mason paradigm.

Raymond Burr's client is Walter Kinsella who is charged with the murder of a female private detective who was engaged in a bit of blackmail regarding his stepdaughter Anne Helm and an inheritance she's in line for.

The writing of this story got a little too involved and too overplotted for my taste. I can't possibly go any further in describing this Mason episode. Let's just say that a private lie detector and William Hopper's Drake Detective Agency was working way overtime to solve this one. Oh, and Perry Mason is accused of withholding evidence.

A little too much in this Perry Mason story for the mind to digest.

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