Doctor Who: The Keys of Marinus

William Hartnell

The Doctor

Carole Ann Ford

Susan Foreman

Jacqueline Hill

Barbara Wright

William Russell

Ian Chesterton

George Coulouris

Arbitan

Martin Cort

Voord / Warrior / Ice Soldier / Aydan

Peter Stenson

Voord / Ice Soldier / Second Judge

Gordon Wales

Voord