Tom Baker

The Doctor

Lalla Ward

Romana (voice)

David Brierly

K9 (archive footage) (voice)

Christopher Neame

Skagra (voice)

Daniel Hill

Chris Parsons (voice)

Victoria Burgoyne

Clare Keightley (voice)

Gerald Campion

Wilkin (archive footage)

Shirley Dixon

The Ship (voice)

James Coombes

The Krargs (voice)

Barnaby Edwards

Krarg

Tim Bentinck

The Doctor (body double)

Toby Hadoke

Continuity Announcer (voice)