The Doctor and his companions are pursued through time and space by the Daleks on the desert planet Aridius and beyond.
William Hartnell
as The Doctor
Jacqueline Hill
as Barbara Wright
William Russell
as Ian Chesterton
Maureen O'Brien
as Vicki
Peter Purves
as Steven Taylor / Morton Dill
Robert Marsden
as Abraham Lincoln
Roger Hammond
as Francis Bacon
Vivienne Bennett
as Queen Elizabeth I
Hugh Walters
as William Shakespeare
Peter Hawkins
as Daleks (voice)
David Graham
as Daleks (voice) / Mechonoids (voice)
Robert Jewell
as Dalek
