Tim Treloar (The Doctor)
Daisy Ashford (Dr Liz Shaw)
Jon Culshaw (Brigadier Lethbridge-Stewart)
Michael Troughton (The Doctor)
Frazer Hines (Jamie McCrimmon)
Karen Archer (DCI Denise Walker)
Daon Broni (Sergeant Al Sinclair)
Mark Elstob (Greshtrenor Leader / DC Lee Staniton
/ Dr Daniels / SM Roach)
Sam Stafford (Private Pritchard / Corporal Snell)
Bethan Walker (Greshtrenor Sub-Leader / Dr Jane Broadbelt)