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