The Doctor

Patrick Troughton

Acting

Jamie McCrimmon

Frazer Hines

Acting

Victoria Waterfield

Deborah Watling

Acting

Clent

Peter Barkworth

Acting

Penley

Peter Sallis

Acting

Miss Garrett

Wendy Gifford

Acting

Storr

Angus Lennie

Acting

Davis

Peter Diamond

Acting

Arden

George Waring

Acting

Walters

Malcolm Taylor

Acting

Voice of the Computer

Roy Skelton

Acting

Varga

Bernard Bresslaw

Acting

Zondal

Roger Jones

Acting

Turoc

Sonny Caldinez

Acting

Isbur

Michael Attwell

Acting

Rintan

Tony Harwood

Acting