Robert MacKenzie
— Cap. Dan Adams
Delphi Lawrence
— Yvonne Dubar
Gordon Jackson
— 'Chalky' White
John Le Mesurier
— Mr. Brent
Anne Sharp
— June Brent
George Pastell
— Schrieder
Ernest Clark
— F. G. Fielding
Ronan O'Casey
— Rushford
Michael Caine
— Johnny Brent
Arthur Lowe
Robert Gallico
— Joe Kelly
Andrew Faulds
— Police Inspector