- Gordon Harker
- George Hawkins
- Raymond Lovell
- Hausemann / Lord Buckley
- Finlay Currie
- Captain Andrew Fletcher
- Philip Friend
- John Cooper
- Jean Kent
- Frances Lane
- Frederick Cooper
- Charles / Frampton
- Carl Jaffe
- Schultz
- John Salew
- Wilson
- Veronica Rose
- Miss Conway
- Anthony Hawtrey
- Brent
- Anthony Holles
- Waiter
- Patrick Aherne
- Mellows
- Frank Bagnall
- Lehmann
- Friedrich Richter
- Wolheim
- Leonard Sharp
- Miles
- Cecil Bevan
- Lord Buckley's Butler
- Noel Dainton
- Police Inspector
- Anthony Dawson
- Radio Operator in Police Car
- Ferdy Mayne
- German Radio Operator
- Eric Thorp
- Sentry
