King Edward
Warden
Fouchet
Major Cabot
Roger Devereau
Joss Merlyn
Billy Bones (voice)
Dr. Paul Ruth
Phantom's Dad
Dr. Christopher Syn / The Scarecrow
Johnny Cousin
Andrew McDhui
C. 'Red' Redman
James Stuart
David Jones
The Man - Nicholai Soloviov
Doctor Eric Kiviat
Col. Mike McCauley
Frank Long
Brand
John Connor
Simon Breck
Jess
Thomas Crimmin
Erik Berger
George Bernard Shaw
Dr. Harvey Langston
Martin McIsaacs
Jack 'Pal' Smurch
Judge Omar Noose
Fred Wells
Guard at door (uncredited)
Eric Prince
Number 6
John Kingsley
Dr Brown
Host
Number Six (archive footage)
Andrew Miller
Moor Larkin
John Drake
Number Six
Dr. Felix Neumann
Himself (archive)
Swedish Water Therapist
Chief Magistrate
Sjt. Musgrave
Attorney Oliver Quayle
Nelson Brenner
Number 6 (voice)
Oscar Finch
Christopher Syn / Scarecrow of Romney Marsh
Michael O'Riordan