William Hartnell as Dr. Who

William Russell as Ian Chesterton

Jacqueline Hill as Barbara Wright

Carole Ann Ford as Susan Foreman

Peter Hawkins as Dalek (voice)

David Graham as Dalek (voice)

Robert Jewell as Dalek

Kevin Manser as Dalek

Michael Summerton as Dalek

Gerald Taylor as Dalek

Alan Wheatley as Temmosus

John Lee as Alydon

Virginia Wetherell as Dyoni

Philip Bond as Ganatus

Marcus Hammond as Antodus

Jonathan Crane as Kristas

Gerald Curtis as Elyon

Chris Browning as Thal

Katie Cashfield as Thal

Vez Delahunt as Thal

Kevin Glenny as Thal

Ruth Harrison as Thal

Lesley Hill as Thal

Steve Pokol as Thal

Jeanette Rossini as Thal

Eric Smith as Thal

Murphy Grumbar as Dalek