cast
- Roddy McDowall
- Arthur Pimm
- Jill Haworth
- Ellen Grove
- Paul Maxwell
- Jim Perkins
- Aubrey Richards
- Prof. Weal
- Ernest Clark
- Harold Grove
- Oliver Johnston
- Trimingham
- Noel Trevarthen
- Inspector White
- Ian McCullough
- Wayne
- Richard Goolden
- Old Man
- Dorothy Frere
- Miss Swanson
- Tom Chatto
- Captain
- Steve Kirby
- Ellis
- Russell Napier
- Boss
- Frank Sieman
- Workman
- Brian Haines
- Joe Hill
- Lindsay Campbell
- Policeman
- John Baker
- Guard
crew
- Herbert J. Leder
- Director, Producer, Screenwriter
- Davis Boulton
- Cinematographer
- Carlo Martelli
- Composer (Music Score)
- Philip Martell
- Musical Direction/Supervision
- Tom Simpson
- Editor
- Scott MacGregor
- Art Director
- Mary Gibson
- Costume Designer
- Eric Carter
- Makeup
