크레딧 출연 Jon Pertwee The Doctor Katy Manning Jo Grant Leslie Dwyer Vorg Cheryl Hall Shirna Tenniel Evans Major Daly Ian Marter John Andrews Jenny McCracken Claire Daly Peter Halliday Pletrac Michael Wisher Kalik Terence Lodge Orum 스텝 Robert Holmes Writing Barry Letts Directing Dudley Simpson Sound Terrance Dicks Writing Gordon Mackie Sound Roger Liminton Art Angela Seyfang Costume & Make-Up Peter Hamilton Camera James Acheson Costume & Make-Up Clive Thomas Lighting Brian Hodgson Crew Barry Letts Production Chris D'Oyly-John Production John Horton Visual Effects