크레딧 출연 Tom Baker The Doctor Elisabeth Sladen Sarah Jane Smith Ian Marter Harry Sullivan Kevin Lindsay Styre / The Marshal Donald Douglas Vural Glyn Jones Krans Peter Walshe Erak Peter Rutherford Roth Terry Walsh Zake Brian Ellis Prisoner 스텝 Rodney Bennett Directing Dave Martin Writing Bob Baker Writing Dudley Simpson Sound Philip Hinchcliffe Production Robert Holmes Writing Marion McDougall Production Dick Mills Crew John Friedlander Visual Effects Tony Oxley Visual Effects Barbara Kidd Costume & Make-Up Sylvia James Costume & Make-Up Tommy Thomas Lighting Vic Godrich Sound Roger Murray-Leach Art Terry Walsh Crew