Joel McCrea
Lt. Col. Robert Taine
Evelyn Keyes
Cecily Paine
Herbert Lom
Sandorski
Roland Culver
Randall
Marius Goring
Hiart
Frank Lawton
Hassingham
Patricia Laffan
Magda
Cyril Raymond
Cartwright
Karl Stepanek
Diss
David Hurst
Lex
Denis Lehrer
Reimann
Laurence Naismith
Blossom
Megs Jenkins
Mrs. Powell
Robert Dickens
Tommy
Jack McNaughton
Inspector Matthews
Arnold Bell
Sgt. Baines
Ellis Irving
Wharton
Clement McCallin
Inspector Sullivan
Joan Hickson
Station Announcer
Powys Thomas
uncredited