Dan Duryea
— Major Bill Rogers
Elsie Albiin
— Katherine 'Katie' Rogers (as Elsy Albiin)
Gudrun Ure
— Sister Jenny Miller (as Ann Gudrun)
Eric Pohlmann
— Slossen, the smuggler
John Chandos
— Orville Hart
Kenneth Griffith
— Henry Slosson
Harold Lang
— Harry Cross
Marianne Stone
— Pam Palmer
Jane Carr
— Soup Kitchen Supervisor
Michael Golden
— The Inspector
Christine Adrian
— Mrs. Hart (Uncredited)
Sheila Berry
— Wren (Uncredited)
Gabrielle Blunt
— Wren (Uncredited)
Kenneth Brown
— Cop (Uncredited)
Fred Davis
— Police Photographer (Uncredited)
Richard Ford
— Sergeant (Uncredited)
Angela Glynne
— Wren (Uncredited)
Robert Henderson
— Pop (Uncredited)
Jacqueline McKenzie
— Canteen Waitress (Uncredited)
Russell Napier
— Detective at Ann's Apartment (Uncredited)
Robert O'Neal
— Driver (Uncredited)
Lee Patterson
— Joe (Uncredited)
Joe Phelps
— Fake Detective (Uncredited)
Cleo Rose
— Wren (Uncredited)
Ian Selby
— Police Photographer (Uncredited)
Stephen Vercoe
— Ned Palmer (Uncredited)
John Warren
— Clerk (Uncredited)