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Tom Baker as The Doctor |
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Mary Tamm as Romana |
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John Leeson as K9 (voice) |
| Directing | Michael Hayes | Director |
| Production | Graham Williams | Producer |
| Sound | Richard Chubb | Sound |
| Costume & Make-Up | Michael Burdle | Costume Design |
| Lighting | Mike Jefferies | Lighting Director |
| Writing | Tom Baker | Writer |
