"A London curator loses the Mona Lisa to a collector, who discovers it's a fake."
C. Aubrey Smith
as James Collison
Erich von Stroheim
as Carl Hoffmeyer
Stephanie Bachelor
as Toni Collison
Forrester Harvey
as Sam Todworthy
Doris Lloyd
as Emma Todworthy
Richard Fraser
as Robert Cartwright
Eva Moore
as Mary Collison
Victor Varconi
as Jules
Emil Rameau
as Professor Renault
Frederick Worlock
as John Brent
Olaf Hytten
as Purvis
Tarquin Olivier
as Young Cartwright
Georges Metaxa
as Henri
Colin Campbell
as Waters
Randall Faye
Screenplay
George Blair
Director
Ed Borschell
Sound
Richard Cherwin
Music Director
Frank Hotaling
Art Direction
Charles S. Thompson
Set Decoration
Fred Allen
Editor
Associate Producer
William Bradford
Cinematography
Charles Maxwell
Original Music Composer
Bob Mark
Makeup Supervisor
Adele Palmer
Costume Supervisor
Peggy Gray
Hairstylist
Ernest Miller
Director of Photography