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Peter Davison
The Doctor

Mark Strickson
Turlough

Nicola Bryant
Peri Brown

Anthony Ainley
The Master

Peter Wyngarde
Timanov

James Bate
Amyand

Dallas Adams
Professor Howard Foster

Jonathan Caplan
Roskal

Edward Highmore
Malkon

Barbara Shelley
Sorasta

Michael Bangerter
Curt

Richard Simons
Father

Skyler Hammerbacker
Young Malkon

Wolfie Hammerbacker
Pilot

John Alkin
Captain Lomand

Max Arthur
Zuko