Cast
- John Mills as John Hampden
- Yvonne Mitchell as Stella Hampden
- Alastair Sim as Dr. Skillingworth
- Jeremy Spenser as L. W. Daventry
- Andrew Ray as Max Hampden
- Marie Lohr as Mrs. Hampden - Senior
- Colin Gordon as Deeson - Reporter
- Nick Edmett as Paton
- Peter Asher as Johnny Hampden
- Christopher Ridley as Potter
Crew
- Philip Leacock · Director
- Roger MacDougall · Writer
- Donald Ogden Stewart · Writer
- Daniel M. Angel · Producer
- Hannah Weinstein · Producer
- Bruce Montgomery · Composer
- Eric Cross · Cinematographer
- John Trumper · Editor