Cast
Brefni O'Rorke
Detective Inspector Burrows
Karl Stepanek
Riccardo
Charles Victor
Pub Owner
David Farrar
Commander Lippinscott
Terence de Marney
Code Expert
Phyllis Stanley
Lily Bernard
Edward Rigby
Mansel
Betty Warren
Fay
Patricia Medina
Mary, Manicurist (as Pat Medina)
Hay Petrie
Waiter (uncredited)
Joyce Howard
Laura Verity
Walter Crisham
Charlie
Herbert Lomas
Van Driver
Anthony Dawson
2nd Code Expert
Jack Melford
Defence Lawyer at Court Martial (uncredited)
Tom Walls
Christopher Child
Jeanne De Casalis
Lady with Dog
George Robey
Pawnbroker
Finlay Currie
Merchant Captain
Ian Fleming
Kynaston Reeves
Naval Officer in Charge of Court Martial
Dennis Wyndham
George the Barman (uncredited)
James Mason
Richard Francis Heritage
Ronald Ward
Carter