- Writer:
- Michael Gilbert
- Costumes Supervisor:
- Sheila Glassford
- Make-up:
- Susan Park
- Film Cameraman:
- Leonard Newson
- Film Editor:
- Harry Hastings
- Designer:
- John Cooper
- Producer:
- Gerard Glaister
- 'Professor' Hagen:
- Danny Green
- Stevenson-Smith:
- Oliver Johnston
- Ben Hagen:
- Edward Judd
- Sam:
- Mark Heath
- Shon:
- Glyn Houston
- Stayman:
- Charles Workman
- Supt Blades:
- Ernest Hare
- Inspector Hodsell:
- Jack Lambert
- Shelley Stayman:
- Jill Adams
- Mr. Cork Charles:
- Lloyd Pack
- Railway porter:
- Raymond Mason
- Oliver Male:
- Terence Alexander
- Mr. Male, Snr:
- Patrick Waddington
- Also taking part:
- Mark Brackenbury
- Also taking part:
- Patrick Milner
- Also taking part:
- Harry Moore
- Also taking part:
- Richard Sullivan