Paul McGann
The Doctor (voice)
Lalla Ward
Romana (voice)
John Leeson
K9 (voice)
James Fox
Professor Chronotis (voice)
Andrew Sachs
Skagra (voice)
Sean Biggerstaff
Chris Parsons (voice)
Susannah Harker
Clare Keightley (voice)
Melvyn Hayes
Wilkin (voice)
Hannah Gordon
The Ship (voice)
Barnaby Edwards
Professor Caldera (voice) / Krarg Commander (voice)
Stuart Crossman
Krarg (voice) / Police Constable (voice) / Motorist (voice)