Patrick Troughton Dr. Who Actor Frazer Hines Jamie McCrimmon Actor Deborah Watling Victoria Waterfield Actor Wendy Gifford Miss Garrett Actor Peter Barkworth Clent Actor George Waring Arden Actor Malcolm Taylor Walters Actor Peter Diamond Davis Actor Angus Lennie Storr Actor Peter Sallis Penley Actor Bernard Bresslaw Varga Actor Roy Skelton Computer Voice Innes Lloyd Producer Chris Chatterton Director Derek Martinus Director Brian Hayles Writer