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William Hartnell as The Doctor |
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Jackie Lane as Dodo Chaplet |
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Anneke Wills as Polly |
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Michael Craze as Ben Jackson |
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John Harvey as Professor Brett |
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John Cater as Professor Krimpton |
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William Mervyn as Sir Charles Summer |
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Alan Curtis as Major Green |
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Gerald Taylor as War Machine Operator/The Voice of WOTAN |
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Sandra Bryant as Kitty |
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Ewan Proctor as Flash Customer |
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George Cross as The Minister |
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Kenneth Kendall as Himself |
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Ric Felgate as American Journalist |
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Carl Conway as American Journalist |
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John Doye as Interviewer |
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Dwight Whylie as Radio Announcer |
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Desmond Cullum-Jones as Worker |
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Roy Godfrey as Tramp |
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Michael Rathborne as Taxi Driver |
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Edward Colliver as Mechanic |
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John Rolfe as Soldier |
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John Boyd-Brent as Soldier |
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Frank Jarvis as Soldier |
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Robin Dawson as Soldier |
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John Slavid as Man in Telephone Box |
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Mike Reid as Soldier |
| Directing | Michael Ferguson | Director |
| Writing | Ian Stuart Black | Writer |
| Writing | Kit Pedler | Idea |
| Writing | Gerry Davis | Script Editor |
| Production | Innes Lloyd | Producer |
| Sound | Delia Derbyshire | Theme Song Performance |
