William Hartnell

The Doctor

Jackie Lane

Dodo Chaplet

Anneke Wills

Polly

Michael Craze

Ben Jackson

John Harvey

Professor Brett

John Cater

Professor Krimpton

William Mervyn

Sir Charles Summer

Alan Curtis

Major Green

Gerald Taylor

War Machine Operator/The Voice of WOTAN

Kenneth Kendall

Himself

Mike Reid

Soldier