William Powell
David Talbot aka Jean Pelletier
Hedy Lamarr
Lucienne Talbot
Claire Trevor
Michelle Allaine
Basil Rathbone
Henri Sarrou
Margaret Wycherly
Madame Pelletier
Felix Bressart
Dr. Andre Tessier
Sig Ruman
Dr. Alex Dubroc
H.B. Warner
Prosecuting Attorney
Philip Merivale
Commissaire
Enrique Acosta
Associate Judge (uncredited)
Francis X. Bushman Jr.
Giant Policeman (uncredited)
Frank Conroy
Defense Attorney (uncredited)
Gibson Gowland
Reporter (uncredited)
Fritz Leiber
Foreign Minister Deval (uncredited)
