Stainless Steel and the Star Spies
Plot: The Metaliens, alien robots intent on galactic domination, encounter a major setback. Their enormous Space Saucer, 'Compromise', enters a black hole in a strange, uncharted region of Space, and collides with another craft – sending the Kleptonite Ball, their precious cargo and the key to Universal Conquest, hurtling to a planet inhabited by primitive life forms: Earth

Ed Bishop
Bob Hoskins
Al Matthew
Bill Mitchell
Christopher Sandford
Graham Stark
Fabia Drake
Anna Karen
Deryck Guyler
Debbie Farrington
Peter Richardson
Freddie Young
Verity Lambert