Doctor Who: Mawdryn Undead

Peter Davison

as The Doctor

Sarah Sutton

as Nyssa

Janet Fielding

as Tegan Jovanka

Mark Strickson

as Vislor Turlough

Nicholas Courtney

as Brigadier Alistair Gordon Lethbridge-Stewart

Valentine Dyall

as The Black Guardian

David Collings

as Mawdryn

Angus MacKay

as Headmaster

Stephen Garlick

as Ibbotson

Roger Hammond

as Dr. Runciman

Sheila Gill

as Matron

Peter Walmsley

as Mutant

Brian Darnley

as Mutant

William Hartnell

as The Doctor (1) (archive footage)

Patrick Troughton

as The Doctor (2) (archive footage)

Jon Pertwee

as The Doctor (3) (archive footage)

Tom Baker

as The Doctor (4) (archive footage)

Roger Delgado

as The Master (archive footage) (Special Edition)

Michael Kilgarriff

as K1 Robot (archive footage)

Stanley Mason

as Bok (archive footage) (Special Edition)

Stephen Thorne

as Omega (archive footage) (Special Edition)

John Woodnutt

as Duke of Forgill/Broton (archive footage) (Special Edition)