Perry Mason (1957–1966)
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The Case of the Stand-In Sister 

John Gregory is caught in a trap when his mobster brother escapes and wants the money he put in a trust fund for his daughter. At the same time the manager of the trust fund tries to blackmail Gregory about it and is murdered.



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Episode cast overview, first billed only:
Lt. Tragg (credit only)
John Gregory
Stefan 'Big Steve' Jahnchek
Nick Paolo
David Bickel
Helen Gregory (as Susan Seaforth)
Franz Moray
Mrs. Margaret Stone
Walter Stocker ...
Van Bennett
Ralph Clanton ...
Karl Corby


When mobster Stefan 'Big Steve' Jahnchek escapes from custody during a Congressional hearing, he heads straight to Los Angeles and commercial fisherman John Gregory. He wants false papers, transportation to Mexico, and money from Gregory. Before going into prison nearly 20 years before, Big Steve had entrusted his newborn daughter Helen and a large sum of money to his brother Gregory for safekeeping. Now he wants both of them back as the daughter must sign for the money which is his real interest. Gregory had adopted the daughter as Jahnchek has never seen her plus she is now engaged to a senator. Gregory also finds himself being blackmailed by Franz Moray, a retired Swiss bank official. Gregory has bad news for Big Steve about his daughter and his own money is in escrow pending the completion of a business deal. When Moray is found dead, Gregory is charged with murder and Perry Mason defends him. Written by garykmcd

Plot Summary | Add Synopsis


Crime | Drama | Mystery





Release Date:

15 November 1962 (USA)  »

Company Credits

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Technical Specs


Sound Mix:

(Westrex Recording System)

Aspect Ratio:

1.33 : 1
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User Reviews

Who's daughter is it?
29 December 2012 | by (Buffalo, New York) – See all my reviews

This episode was way overplotted with complex motives and the ordinary viewer might get a bit lost here. Peter Whitney who is a notorious gangster from Boston after appearing at a Senate Crime Committee hearing, bolted and headed west to see his brother R.G. Armstrong. Years before Armstrong left the Boston area and changed his name, but before that Armstrong set up a trust fund for Whitney's daughter. Now Whitney wants to break the trust and use that as both getaway and living money in some no extradition country.

Seems as though the money is in question as the child may have been killed in an accident long ago with Armstrong's wife and daughter. But was it Whitney's daughter? Whoever it is she grew up to be Susan Seaforth.

It's a blackmailing Swiss banker Steven Geray who is the victim, but who did it? Armstrong didn't because he has Perry Mason representing him.

The story has the real murderer coming in from the bleachers. Not the best Mason story.

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