The TARDIS arrives in London in 1966 and the First Doctor and Dodo visit the Post Office Tower. There they meet Professor Brett, whose revolutionary new computer WOTAN (Will Operating Thought ANalogue) can actually think for itself and is shortly to be linked up to other major computers around the world — a project overseen by civil servant Sir Charles Summer.
as The Doctor
as Dodo Chaplet
as Polly
as Ben Jackson
as Professor Brett
as Professor Krimpton
as Sir Charles Summer
as Major Green
as War Machine Operator/The Voice of WOTAN
as Kitty
as Flash Customer
as The Minister
as Himself
as American Journalist
as American Journalist
as Interviewer
as Radio Announcer
as Worker
as Worker
as Tramp
as Taxi Driver
as Mechanic
as Soldier
as Soldier
as Soldier
as Soldier
as Man in Telephone Box
as Soldier