- Writer:
- Robert Gould
- Producer:
- Terence Dudley
- Film Sequences - Cameraman:
- A.A. Englander
- Film Sequences - Editor:
- Seymour Logie
- Music and Special Effects:
- Radiophonic Workshop
- Designer:
- Lionel Radford
- Dr Weatherfield:
- Felix Deebank
- Mrs Weatherfield:
- Helen Horton
- Professor Kraan:
- Rex Rashley
- Steward:
- Lawrence James
- Stewardess:
- Julie Webb
- Lady Nailer:
- June Tobin
- Janet Nailer:
- Susan Purdie
- Sir Robert Nailer:
- William Dexter
- Himself:
- Peter Haigh
- Pam:
- Laura Graham
- Dr Alan Tullis:
- Ray Roberts
- Connolly:
- Donald Hoath
- Inspector Maxwell:
- John Martin
- Russian P.R.O.:
- Gertan Klauber
- Nurse:
- Carole Ward
- Spinks:
- Ronnie Raymond
- Chief Supt Stroud:
- George Street
- Anderson:
- Frederick Treves
- Bruton:
- Michael Browning
- Myra:
- Jean Dallas
- Policeman:
- Charles Simon
- Policeman:
- John Barrett
- Policeman:
- Reginald Green
