Cast
Paul Darrow
Kerr Avon
Jan Chappell
Cally
Stephen Greif
Space Commander Travis
Jacqueline Pearce
Supreme Commander Servalan
Sheila Ruskin
Alta One
Harriet Philpin
Alta Two
Michael Keating
Vila Restal
David Jackson
Olag Gan
Tony Caunter
Ensor
Suzan Farmer
Meegat
Sally Knyvette
Jenna Stannis
Derek Farr
Ensor / Orac / Satellite
Gareth Thomas
Roj Blake
Peter Tuddenham
Zen (voice)