 | Leo Genn als Mr. Eden |
 | Alastair Sim als Inspector Cockrill |
 | Trevor Howard als Dr. Barnes |
 | Sally Gray als Nurse Freddi Linley |
 | Rosamund John als Nurse Esther Sanson |
 | Judy Campbell Exner als Sister Marion Bates |
 | Megs Jenkins als Nurse Woods |
 | Ronald Adam als Dr. White |
 | George Woodbridge als Detective Sgt. Hendricks |
 | John Rae als Porter |
 | Henry Edwards als Mr. Purdy |
 | Moore Marriott als Joseph Higgins |
| Frank Ling als Rescue Worker |
| Wendy Thompson als Sister Carter |
 | Hattie Jacques |
| William Alwyn | Original Music Composer |
| Sidney Gilliat | Director |
| Christianna Brand | Novel |
| Sidney Gilliat | Screenplay |
| Claude Guerney | Screenplay |
| Thelma Connell | Editor |
| Wilkie Cooper | Director of Photography |
| Percy Hermes | Assistant Director |
| Pat MacDonnell | Casting |
| Peter Proud | Production Design |
| Bert Bates | Production Manager |
| Adele Raymond | Casting |
| William Hutchinson | Art Direction |
| Herbert Smith | Executive Producer |
| Norah Walsh | Assistant Editor |
| Rahvis | Costume Designer |
| Arthur Evans | Still Photographer |
| Frank Launder | Producer |
| Sidney Gilliat | Producer |
