Don Stannard

Dick Barton

Tamara Desni

Anna

Meinhart Maur

Serge Volkoff

Joyce Linden

Mary Mitchell

Percy Walsh

Professor Mitchell

Campbell Singer

Inspector Cavendish

Richard George

Inspector Slade

Beatrice Kane

Betsy Horrock

George Crawford

Boris

Paddy Ryan

Fingers

Ted Butterfield

Tommy

Patrick Macnee

Phillips

Fred Owens

A Gangster

Yoshihide Yanai

Chang

John Arnatt

Jackson

Godfrey Grayson