출연진
Tom Baker
The Doctor
Elisabeth Sladen
Sarah Jane Smith
Stephen Thorne
Kastrian Eldrad
Judith Paris
Eldrad (female form)
Roy Pattison
Zazzka
Roy Skelton
King Rokon
Rex Robinson
Dr. Carter
Glyn Houston
Professor Watson
Frances Pidgeon
Miss Jackson
John Cannon
Elgin
David Purcell
Abbott
Renu Setna
Intern
Robin Hargrave
Guard
Roy Boyd
Driscoll