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Patrick Troughton
The Doctor

Anneke Wills
Polly

Michael Craze
Ben Jackson

Frazer Hines
Jamie McCrimmon

Donald Bisset
The Laird

William Dysart
Alexander

Hannah Gordon
Kristy

Andrew Downie
Willie Mackay

David Garth
Solicitor Grey

Sydney Arnold
Perkins

Dallas Cavell
Captain Trask

Michael Elwyn
Lt. Algernon Ffinch

Guy Middleton
Colonel Attwood

Peter Welch
Sergeant

Tom Bowman
Sentry

Barbara Bruce
Mollie