Billy Bones (voice)
Number 6 (voice) (1 episode)
Dr. Harvey Langston
Judge Omar Noose
Phantom's Dad
King Edward
George Bernard Shaw
Attorney Oliver Quayle (1 episode)
Number Six
Dr. Felix Neumann
Chief Magistrate
Doctor Eric Kiviat
Chief Magistrate (3 episodes)
Fred Wells
Joss Merlyn
Joss Merlyn (3 episodes)
John Kingsley
Dr. Paul Ruth
John Connor
Col. Mike McCauley
Dr. Sidney Rafferty (13 episodes)
Director (2 episodes)
Roger Devereau
Major Cabot
Nelson Brenner (2 episodes)
Oscar Finch (1 episode)
Eric Prince (1 episode)
Director (5 episodes)
Writer (2 episodes)
Director
James Stuart
Frank Long
John Drake
David Jones
Number Six (17 episodes)
Director (5 episodes)
Writer (3 episodes)
Producer (17 episodes)
Creator (17 episodes)
Creator
Christopher Syn / Scarecrow of Romney Marsh (3 episodes)
Dr. Christopher Syn (3 episodes)
Andrew McDhui
Dr. Christopher Syn / The Scarecrow
Thomas Crimmin
Dr Brown
Johnny Cousin
Sjt. Musgrave
Erik Berger
The Man - Nicholai Soloviov
John Drake (86 episodes)
Director (3 episodes)
Brand
Michael O'Riordan (1 episode)
Jack 'Pal' Smurch
Jack 'Pal' Smurch (1 episode)
Andrew Miller
C. 'Red' Redman
Simon Breck
Moor Larkin
Seth Makepeace (1 episode)
Swedish Water Therapist
A Serious Actor /Starbuck
Guard at door (uncredited)
English Soldier (uncredited)
Martin McIsaacs