演职人员
The Doctor
Tom Baker
Romana (voice)
Lalla Ward
K9 (archive footage) (voice)
David Brierly
Skagra (voice)
克里斯托弗·尼姆
Chris Parsons (voice)
Daniel Hill
Professor Chronotis (archive footage)
Denis Carey
Clare Keightley (voice)
Victoria Burgoyne
Wilkin (archive footage)
Gerald Campion
The Ship (voice)
Shirley Dixon
Dr. Caldera (archive footage)
Derek Pollitt
The Krargs (voice)
James Coombes
Police Constable
John Hallet
Man in Car (archive footage)
David Strong
Fisherman (archive footage)
James Muir
Krarg
Derek Suthern
Krarg
Barnaby Edwards
The Doctor (body double)
Tim Bentinck
Continuity Announcer (voice)
Toby Hadoke