William Powell
David Talbot aka Jean Pelletier
Acting
Hedy Lamarr
Lucienne Talbot
Acting
Claire Trevor
Michelle Allaine
Acting
Basil Rathbone
Henri Sarrou
Acting
Margaret Wycherly
Madame Pelletier
Acting
Felix Bressart
Dr. Andre Tessier
Acting
Sig Ruman
Dr. Alex Dubroc
Acting
H.B. Warner
Prosecuting Attorney
Acting
Philip Merivale
Commissaire
Acting
Enrique Acosta
Associate Judge (uncredited)
Acting
Francis X. Bushman Jr.
Giant Policeman (uncredited)
Acting
Frank Conroy
Defense Attorney (uncredited)
Acting
Gibson Gowland
Reporter (uncredited)
Acting
Fritz Leiber
Foreign Minister Deval (uncredited)
Acting
Eric Mayne
Courtroom Spectator (uncredited)
Acting
Anna Q. Nilsson
Madame Deval (uncredited)
Acting
John St. Polis
Professor (uncredited)
Acting
Vladimir Sokoloff
Carlos Le Duc (uncredited)
Acting
Torben Meyer
Old Man (uncredited)
Acting