크레딧 출연 Tom Baker The Doctor Elisabeth Sladen Sarah Jane Smith Frederick Jaeger Sorenson Ewen Solon Vishinsky Prentis Hancock Salamar Graham Weston De Haan Louis Mahoney Ponti Michael Wisher Morelli Terence Brook Braun Tony McEwan Baldwin Haydn Wood O'Hara Melvyn Bedford Reig 스텝 Louis Marks Writing David Maloney Directing Dudley Simpson Sound Philip Hinchcliffe Production Robert Holmes Writing Roger Murray-Leach Art Delia Derbyshire Sound