On screen
Cast
10 credited performers
Nicholas Courtney
Character not listed
Richard Franklin
Character not listed
John Levene
Character not listed
Sophie Aldred
Character not listed
Katy Manning
Character not listed
Terrance Dicks
Character not listed
Derrick Sherwin
Character not listed
Artwork unavailable
Arnold T. Blumberg
Character not listed
Artwork unavailable
Lars Pearson
Character not listed
Artwork unavailable
Jeremy Bentham
Character not listed