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