Andrew Manson, a young, idealistic, newly qualified Scottish doctor arrives in Wales takes his first job in a mining town, and begins to wonder at the persistent cough many of the miners have. When his attempts to prove its cause are thwarted, he moves to London. His new practice does badly. But when a friend shows him how to make a lucrative practice from rich hypochondriacs, it will take a great shock to show him what the truth of being a doctor really is.
| Writing | Frank Wead | Screenplay |
| Directing | King Vidor | Director |
| Camera | Harry Stradling Sr. | Director of Photography |
| Production | Harold Boxall | Production Manager |
| Directing | Pen Tennyson | Assistant Director |
| Production | Hayes Goetz | Executive Producer |
| Production | Victor Saville | Producer |
| Art | Alfred Junge | Art Direction |
| Art | Lazare Meerson | Art Direction |
| Editing | Charles Frend | Editor |
| Sound | Louis Levy | Original Music Composer |
| Writing | A.J. Cronin | Novel |
| Writing | Ian Dalrymple | Screenplay |
| Writing | Elizabeth Hill | Screenplay |
| Crew | Emlyn Williams | Additional Dialogue |
| Crew | Charles Williams | Additional Music |
| Sound | C.C. Stevens | Sound Recordist |
| Sound | A.W. Watkins | Sound Recordist |
| Sound | John Aldred | Sound Assistant |
| Camera | Peter Hopkinson | Assistant Camera |
| Camera | Gerry Massy-Collier | Assistant Camera |
| Sound | Cecil Milner | Orchestrator |
| Crew | Howard Dietz | Public Relations |
