Peter Thurloe
Barry K. Barnes
Dorothy Houghton
Joan Marion
Foreigner
Santos Casani
Kingswell
Hal Walters
Detective (uncredited)
David Davies
Charles Houghton
Roger Livesey
Bill Madison
Basil Radford
Emily Madison
Everley Gregg
Col. Cairns
Felix Aylmer
Agent Hooper
Wallace Douglas
Porter
Henry Oscar
Sir Andrew Hamilton
John Turnbull
Stuart
Edward Ashley
Editor
David Lean
Director
David MacDonald
Screenplay
A.R. Rawlinson
Theatre Play
Jeffrey Dell
Bridget Boland
Director of Photography
Bryan Langley
Production Manager
Bernard Willis
Original Music Composer
Ronnie Munro