Doctor Who: The Mysterious Planet

Colin Baker

The Doctor

Nicola Bryant

Peri Brown

Michael Jayston

The Valeyard

Lynda Bellingham

The Inquisitor

Tony Selby

Sabalom Glitz

Glen Murphy

Dibber

Joan Sims

Queen Katryca

Tom Chadbon

Merdeen

Roger Brierley

Drathro (voice)

David Rodigan

Broken Tooth

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Adam Blackwood

Balazar

Timothy Walker

Grell

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Billy McColl

Humker

Sion Tudor Owen

Tandrell