 | Spencer Tracy als Arnold Boult |
 | Deborah Kerr als Evelyn Boult |
 | Ian Hunter als Doctor Larry Woodhope |
 | James Donald als Bronton |
 | Mervyn Johns als Harry Sempkin |
 | Leueen MacGrath als Eileen Perrin |
 | Felix Aylmer als Mr. Hanray |
 | Walter Fitzgerald als Mr. Kedner |
 | Tilsa Page als Betty Foxley |
| Donald Ogden Stewart | Writer |
| George Cukor | Director |
| Noel Langley | Theatre Play |
| Edwin H. Knopf | Producer |
| Raymond Poulton | Editor |
| Robert Morley | Theatre Play |
| Freddie Young | Director of Photography |
| John Wooldridge | Original Music Composer |
| Irene Howard | Casting |
| Alfred Junge | Art Direction |
| Elliot Scott | Draughtsman |
| A.W. Watkins | Recording Supervision |
| Dora Wright | Production Manager |
| Tom Howard | Effects Supervisor |
| Skeets Kelly | Camera Operator |
| Sash Fisher | Sound Recordist |
| Malcolm Sargent | Conductor |
