Peter Lorre

Mr. Moto

Joseph Schildkraut

Hendrik Manderson

Lionel Atwill

Prof. Roger Chauncey Hildebrand

Virginia Field

Eleanor Kirke

John 'Dusty' King

Howard Stevens

Iva Stewart

Susan French

G.P. Huntley

Archie Featherstone

Victor Varconi

Paul Borodoff

John Bleifer

Wendling

Honorable Wu

Wong

Morgan Wallace

David Perez

Anthony Warde

Joe Rubla

Harry Strang

Museum Guard O'Hara

John Davidson

Prince Suleid

Eddie Abdo

Arabian Officer (uncredited)

Norman Foster