Barbara Wright and Ian Chesterton, two humble teachers during 1963, discover a genius student's grandfather, simply known as "the Doctor", and his police box time machine. Deciding that the pair knows too much about his otherworldly origins, they are whisked away on a journey through time and space.
William Hartnell
as Dr. Who
William Russell
as Ian Chesterton
Jacqueline Hill
as Barbara Wright
Carole Ann Ford
as Susan Foreman
Derek Newark
as Za
Alethea Charlton
as Hur
Eileen Way
as Old Mother
Jeremy Young
as Kal
Howard Lang
as Horg
Reg Cranfield
as Policeman (uncredited)
Francesca Bertorelli
as Schoolgirl (uncredited)
Carole Clarke
as Schoolgirl (uncredited)
