On screen
Cast
16 credited performers
Peter Davison
The Doctor
Janet Fielding
Tegan Jovanka
Mark Strickson
Vislor Turlough
Tom Adams
Vorshak
Ian McCulloch
Nilson
Ingrid Pitt
Solow
Artwork unavailable
Nigel Humphreys
Bulic
Artwork unavailable
Tara Ward
Preston
Artwork unavailable
Martin Neil
Maddox
Nitza Shaul
Karina
James Coombes
Paroli
Norman Comer
Icthar
Artwork unavailable
Stuart Blake
Scibus
Artwork unavailable
Vincent Brimble
Tarpok
Artwork unavailable
Christopher Farries
Sauvix
Artwork unavailable
Ling Tai
Seabase Crewmember