|Directed by||Michael Cort|
|Produced by||George Maynard|
|Music by||Johnny Hawksworth|
|Distributed by||Tigon Film Distributors|
It was made for a budget of £60,000.
- James Robertson Justice - Major Bourdon
- Charles Hawtrey - Swyne
- Robin Hawdon - James Word
- Anna Gaël - Clotho
- Dawn Addams - Zeta
- Brigitte Skay - Lachesis
- Valerie Leon - Atropos
- Lionel Murton - W
- Yutte Stensgaard - Ann Olsen
- Wendy Lingham - Edwina 'Ted' Strain
- Carol Hawkins - Zara
- Rita Webb - Clippie
- Steve Kirby - Sleth
- Paul Baker - Bourdon's Assistant
- Angela Grant - Angvia Girl
- Kirsten Betts - Angvia Girl
Zeta One was released in the United Kingdom in 1969. The film was not a commercial success on its release. It was released in America by Film Ventures International, briefly in 1973 as The Love Slaves and then wider in 1974 under the title The Love Factor.
- Zeta One (1969) at British Film Institute Film & TV Database.
- John Hamilton, Beasts in the Cellar: The Exploitation Film Career of Tony Tenser, Fab Press, 2005 p 145
- I.Q. Hunter, British Science Fiction Cinema, Routledge, 2001 p 69
- "Release". BFI Film & Television Database. London: British Film Institute. Retrieved 2 June 2013.
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