크레딧 출연 Peter Davison The Doctor Janet Fielding Tegan Jovanka Mark Strickson Vislor Turlough Cyril Luckham The White Guardian Valentine Dyall The Black Guardian Keith Barron Striker Christopher Brown Marriner Lynda Baron Wrack Leee John Mansell James McClure First Officer Tony Caunter Jackson Clive Kneller Collier 스텝 Fiona Cumming Directing Barbara Clegg Writing John Nathan-Turner Production Eric Saward Writing Malcolm Clarke Sound
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