Barry K. Barnes
Peter Thurloe
Acting
Joan Marion
Dorothy Houghton
Acting
Roger Livesey
Charles Houghton
Acting
Basil Radford
Bill Madison
Acting
Everley Gregg
Emily Madison
Acting
Felix Aylmer
Col. Cairns
Acting
Wallace Douglas
Agent Hooper
Acting
Henry Oscar
Porter
Acting
John Turnbull
Sir Andrew Hamilton
Acting
Edward Ashley
Stuart
Acting
Santos Casani
Foreigner
Acting
Hal Walters
Kingswell
Acting
David Davies
Detective (uncredited)
Acting