Perry Mason (1957–1966)
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The Case of the Duplicate Daughter 

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.


Arthur Marks


Erle Stanley Gardner (story), Samuel Newman (teleplay)

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Episode cast overview, first billed only:
Raymond Burr ... Perry Mason
Barbara Hale ... Della Street
William Hopper ... Paul Drake
William Talman ... Hamilton Burger
Ray Collins ... Lt. Tragg
Don Dubbins ... Hartley Elliott
Anne Helm ... Glamis Barlow
Walter Kinsella Walter Kinsella ... Carter Gilman
Kaye Elhardt Kaye Elhardt ... Muriell Gilman
Joyce Mackenzie ... Nancy Gilman (as Joyce MacKenzie)
Willis Bouchey ... Judge
Dick Whittinghill ... Glenn McCoy
Harlan Warde ... Alan Connors
Nelson Olmsted ... Cartman Jasper
Michael Fox ... Dr. Hoxie


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) See more »

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 »


The lie detector operator Cartman Jasper is wearing glasses with no lens in them. See more »


[first lines]
Muriell Gilman: "The glorious gifts of the gods may not be cast aside." "Behold," the noble Homer said. "Cometh the java, hot, black and delicious."
See more »

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User Reviews

Some unseen cast members
2 November 2012 | by bkoganbingSee 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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