Doctor Who: The Keys of Marinus

William Hartnell

as The Doctor

Carole Ann Ford

as Susan Foreman

Jacqueline Hill

as Barbara Wright

William Russell

as Ian Chesterton

George Coulouris

as Arbitan

Martin Cort

as Voord / Warrior / Ice Soldier / Aydan

Peter Stenson

as Voord / Ice Soldier / Second Judge

Gordon Wales

as Voord

Robin Phillips

as Altos

Katherine Schofield

as Sabetha

Heron Carvic

as Voice of Morpho (voice)

Edmund Warwick

as Darrius

Francis de Wolff

as Vasor

Michael Allaby

as Ice Soldier / Larn

Alan James

as Ice Soldier / First Judge / Guard

Anthony Verner

as Ice Soldier

Henley Thomas

as Tarron

Raf De La Torre

as Senior Judge

Fiona Walker

as Kala

Donald Pickering

as Eyesen

Stephen Dartnell

as Yartek

Dougie Dean

as Eprin (uncredited)