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)