David Talbot aka Jean Pelletier
William Powell
Lucienne Talbot
Hedy Lamarr
Giant Policeman (uncredited)
Francis X. Bushman Jr.
Defense Attorney (uncredited)
Frank Conroy
Reporter (uncredited)
Gibson Gowland
Foreign Minister Deval (uncredited)
Fritz Leiber
Courtroom Spectator (uncredited)
Eric Mayne
Madame Deval (uncredited)
Anna Q. Nilsson
Professor (uncredited)
John St. Polis
Carlos Le Duc (uncredited)
Vladimir Sokoloff
Old Man (uncredited)
Torben Meyer
Michelle Allaine
Claire Trevor
Henri Sarrou
Basil Rathbone
Madame Pelletier
Margaret Wycherly
Dr. Andre Tessier
Felix Bressart
Dr. Alex Dubroc
Sig Ruman
Prosecuting Attorney
H.B. Warner
Commissaire
Philip Merivale
Associate Judge (uncredited)
Enrique Acosta
Producer
Edwin H. Knopf
Director
Jack Conway
Original Music Composer
Bronislau Kaper
Editor
George Boemler
Story
Howard Emmett Rogers
Director of Photography
Joseph Ruttenberg
John H. Kafka
Screenplay
Guy Trosper