Perry Mason (1957–1966)
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The Case of Constant Doyle 

After the death of her husband and partner, Joe Doyle, Constant Doyle takes on a case involving a young man who knew her husband. Constant asks for Perry's help and he suggests she hire the Paul Drake Detective agency to aid in the case.


Allen H. Miner


Erle Stanley Gardner (characters created by), Jackson Gillis

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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 ... Police Lt. Arthur Tragg (credit only)
Bette Davis ... Constant Doyle
Michael Parks ... Cal Leonard
Peggy Ann Garner ... Letty Arthur
Frances Reid ... Miss Liza Givney
Les Tremayne ... Lawrence Otis
Neil Hamilton ... Fred McCormick
George Mitchell ... Desk Sergeant
Jerry Oddo Jerry Oddo ... Steven Arthur
John Dennis ... Police Lieutenant
Willis Bouchey ... Judge


When Cal Leonard gets into trouble, he tries to get in touch with a lawyer he once met, Joseph Doyle, but learns that the man has died. His wife and law partner, Constant Doyle, pays him a visit in jail but he's not keen on having her represent him. Constant, on a whim, does provide bail money for Cal. Cal was caught jumping the fence at the Otis Instrument Co, owned by Lawrence Otis, who once used Doyle and Doyle as a law firm. However, with the death of Joe, several clients have left the firm. It turns out that Cal's father once worked for Otis as an engineer but was an unreliable alcoholic. His cousin, Steve Arthur, still works there but is somehow making large deposits to his bank account. Cal is convinced that Otis has stolen some of his father's ideas on equipment miniaturization but when Steve Arthur is found dead, Cal is charged with murder. With Perry Mason in the hospital, Constant decides to represent him herself. Constant Doyle learns Cal has a special talent she uses in ... Written by garykmcd

Plot Summary | Add Synopsis


Crime | Drama | Mystery







Release Date:

31 January 1963 (USA) See more »

Also Known As:

The Case of Constant Doyle See more »

Company Credits

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Technical Specs


Sound Mix:

Mono (Westrex Recording System)

Aspect Ratio:

1.33 : 1
See full technical specs »

Did You Know?


Jerry Oddo's next to last television appearance. His final appearance was in another Perry Mason episode, "The Case of the Floating Stones." Both episodes first aired in 1963. Mr. Oddo passed away 40 years later, in 2003. See more »


[first lines]
Kid: [to guard just locking a plant's gate] Say... Say, you got a cigarette machine in there? Uh, the Drug store's closed, see?
See more »


Referenced in Feud: More, or Less (2017) See more »

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User Reviews

The presence of Bette Davis
9 January 2013 | by bkoganbingSee all my reviews

Perry's under the weather for this episode and he is only in two scenes, both telephone conversations with guest star Bette Davis and he's in a sickbed. In fact Bette is no doubt the biggest guest star that series ever had. She even got special billing at the beginning of the show.

Raymond Burr maybe under the weather, but he lends the trusty assistance of William Hopper and Barbara Hale to Davis. She's a widow and during her marriage was the partner of her husband. When Michael Parks who did a good impersonation of James Dean in his career is caught breaking and entering a plant, this looks like a simple case of juvenile delinquency.

Parks was on a mission though, he believes the owner of said plant cheated his father out of an invention he designed. Later on Jerry Oddo who worked there and is a cousin of Parks is killed with Parks on the premises. In fact he was caught and detained by Paul Drake.

Davis defends him in court and proves that Raymond Burr is not the only capable of defeating William Talman. I do have to say that the actual murderer was one truly dragged out of left field.

The presence of Bette Davis makes this an episode worth watching, but it's far from the best Mason story out there.

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