| Robert Beatty |
Lord Beaverbrook |
| John Charlesworth |
Graham Friese-Greene |
| Robert Donat |
William Friese-Greene |
| Joyce Grenfell |
Mrs. Claire |
| Margaret Johnston |
Edith Harrison |
| James Kenney |
Kenneth Friese-Greene |
| Bernard Miles |
Cousin Alfred |
| David Oake |
Claude Friese-Greene |
| Eric Portman |
Arthur Collings |
| Michael Redgrave |
Ledley |
| Maria Schell |
Helena Friese-Greene |
| Janette Scott |
Ethel Friese-Greene |
| Basil Sydney |
William Fox-Talbot |
| Kay Walsh |
Hotel Receptionist |
| Richard Attenborough |
Jack Carter |
| Miles Malleson |
Orchestra Conductor |
| Laurence Olivier |
Police Constable 94-B (uncredited) |
| Emlyn Williams |
Bank Manager |