George Sanders as Eugéne François Vidocq

Signe Hasso as Therese De Pierremont

Carole Landis as Loretta de Richet

Akim Tamiroff as Emile Vernet

Gene Lockhart as Prefect of Police Richet

Alma Kruger as Marquise De Pierremont

Alan Napier as Houdon De Pierremont, Police Minister

Jo Ann Marlowe as Mimi De Pierremont

Vladimir Sokoloff as Uncle Hugo

Pedro de Cordoba as Priest

Leona Maricle as Owner of Dress Shop

Fritz Leiber as Painter

Skelton Knaggs as Cousin Pierre

Fred Nurney as Cousin Gabriel

Gisela Werbisek as Aunt Ernestine

Marvin Davis as Little Louis

Barbara Bates as Girl by pool

Cindy Garner as Girl by pool

Mary Icide as Girl by pool

Daun Kennedy as Girl by pool

Sam Harris as Stage Show Spectator

Julius Tannen as Bank of Paris Manager