Tom Baker
The Doctor
Lalla Ward
Romana
David Brierly
K9 (voice)
Lewis Fiander
Tryst
David Daker
Rigg
Geoffrey Bateman
Dymond
J
Jennifer Lonsdale
Della
Stephen Jenn
Secker
R
Richard Barnes
Crewman
Barry Andrews
Stott
Geoffrey Hinsliff
Officer Fisk
P
Peter Craze
Officer Costa
A
Annet Peters
Passenger
L
Lionel Sansby
Passenger
M
Maggie Petersen
Passenger
S
Sebastian Stride
Crewman
E
Eden Phillips
Crewman