- Author:
- W. D. Pereira
- Dramatised by:
- Christopher Williams
- Designer:
- Norman James
- Producer:
- James MacTaggart
- Pilot:
- Vincent Harding
- First Controller:
- Keith Anderson
- Second Controller:
- Peter Jesson
- General Hammarling:
- Ian Rossiter
- Sir Arthur Wand:
- Charles Hill
- Eustace Willoughby Wallis:
- Robert James
- Gerard Sprig:
- Kenneth Edwards
- Jeremy Sprig:
- David MacMillan
- Bill Lane:
- Kenneth Cope
- Stewardess:
- Eve Eden
- Major Pripp:
- John Barrard
- Hedqvist:
- Douglas Storm
- Angus McLaren:
- Harry Walker
- Thomassen:
- Ian Wilson
- Matthews:
- Desmond Cullum Jones
- Mai Lindholm:
- April Olrich
- Karl:
- Charles Lewsen
- Luthman:
- Richard Longman
- Larsen:
- Laurie Payne
- Journalist:
- Douglas Grant
