演职人员
The Doctor
Peter Davison
Nyssa
Sarah Sutton
Tegan Jovanka
Janet Fielding
Vislor Turlough
Mark Strickson
Brigadier Alistair Gordon Lethbridge-Stewart
Nicholas Courtney
The Black Guardian
瓦伦丁·戴尔
Mawdryn
David Collings
Headmaster
Angus MacKay
Ibbotson
Stephen Garlick
Dr. Runciman
罗杰·哈蒙德
Matron
Sheila Gill
Mutant
Peter Walmsley
Mutant
Brian Darnley
The Doctor (1) (archive footage)
William Hartnell
The Doctor (2) (archive footage)
帕特里克·特劳顿
The Doctor (3) (archive footage)
Jon Pertwee
The Doctor (4) (archive footage)
Tom Baker
The Master (archive footage) (Special Edition)
Roger Delgado
K1 Robot (archive footage)
Michael Kilgarriff
Bok (archive footage) (Special Edition)
Stanley Mason
Omega (archive footage) (Special Edition)
Stephen Thorne
Duke of Forgill/Broton (archive footage) (Special Edition)
John Woodnutt