- Writer:
- Fred Hoyle
- Writer/producer:
- John Elliot
- Director:
- John Knight
- Designer:
- Norman James
- Film Cameraman:
- Ken Westbury
- Film Editor:
- James Colina
- Fleming:
- Peter Halliday
- Abu Zeki:
- David Saire
- Kaufman:
- John Hollis
- Madeleine Dawnay:
- Mary Morris
- Andromeda:
- Susan Hampshire
- Mile Gamboule:
- Claude Farell
- President:
- Arnold Yarrow
- Salim:
- Barry Linehan
- Nurse:
- Heather Emmanuel
- Secretary to the Council:
- Hassan Gadalla
- Councillor:
- Tony Arpino
- Councillor:
- Joseph Attard
- Councillor:
- Victor Ibrahim
- Councillor:
- Tony Cyrus
- Burdett:
- David Kino
- Burdett's P.A.:
- Jeffrey Gardiner
- Newsreader:
- Jimmy Kingsbury
- Osborne:
- Noel Johnson
- Abu Zeki's assistant:
- Assad Obeid
- Lemka:
- Jean Robinson
- Lemka's mother:
- Miki Iveria
- Professor Neilson:
- Walter Gotell
- Soldier:
- Allan Heider
