In the 7th film of the "Crime Doctor" series based on the radio program, Dr. Robert Ordway is summoned to take attend a diabetic, and gives an injection of insulin taken from a bottle in the patient's pocket. The man dies and Ordway discovers that what he thought was insulin was really poison. Oops! Two other people are murdered before Ordway discovers who replaced the insulin with poison and what the motive was
Cast
Warner Baxter
Dr. Robert Ordway
Adele Roberts
Claire Foster (as Adelle Roberts)
Martin Kosleck
Karl Ganss
Mona Barrie
Harriet Travers
Marvin Miller
Casper
Charles D. Brown
Insp. Burns
Robert Barrat
Clyde Travers (as Robert H. Barrat)
Charles Arnt
Attorney Allen S. Tobin (uncredited)
Egon Brecher
Dr. Evans (uncredited)
Peggy Converse
Connie Day (uncredited)
Jack Deery
Party Guest (uncredited)
Byron Foulger
Harris, Makeup Man (uncredited)
Wilton Graff
Alexander 'Alec' Girard (uncredited)
Ted Hecht
Armand Morcel (uncredited)
Thomas E. Jackson
Walter Cummings (uncredited)
Skelton Knaggs
Louie (uncredited)
Charles Lane
Dr. Steiner (uncredited)
George Meeker
Walter Foster (uncredited)
Craig Reynolds
Jack Swayne (uncredited)
Walter Soderling
Tobin's Servant (uncredited)
Brick Sullivan
Policeman (uncredited)
Irene Tedrow
Nurse Florence White (uncredited)
Eric Wilton
Party Guest (uncredited)
Crew
William Castle
Director
Eric Taylor
Screenplay, Story
Aubrey Wisberg
Screenplay
Dwight Caldwell
Editor
Philip Tannura
Director of Photography
Henry Freulich
Director of Photography
Carl Hiecke
Assistant Director
Rudolph C. Flothow
Producer
Howard Fogetti
Sound
William Kiernan
Set Decoration
Max Marcin
Characters
Hans Radon
Art Direction
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