크레딧 출연 Tom Baker The Doctor Mary Tamm Romana John Leeson K-9 (voice) Cyril Luckham The Guardian Iain Cuthbertson Garron Nigel Plaskitt Unstoffe Paul Seed Graff Vynda-K Robert Keegan Sholakh Timothy Bateson Binro Anne Tirard The Seeker Prentis Hancock Shrieve Captain 스텝 George Spenton-Foster Directing Robert Holmes Writing Anthony Read Writing Graham Williams Production Dudley Simpson Sound Delia Derbyshire Sound