Peter Hooten
Dr. Stephen Strange
Clyde Kusatsu
Wong
Jessica Walter
Morgan LeFay
Anne-Marie Martin
Clea Lake
Philip Sterling
Dr Frank Taylor, Chief of Psychiatry
John Mills
Thomas Lindmer
J
June Barrett
Sarah
S
Sarah Rush
Nurse
D
Diana Webster
Head Nurse
Bob Delegall
Intern
Larry Anderson
Magician
B
Blake Marion
Department Chief
Lady Rowlands
Mrs. Sullivan
I
Ines Pedroza
Announcer
M
Michael Clark
Taxi Driver
Frank Catalano
Orderly
Michael Ansara
The Ancient One (voice) (uncredited)
Ted Cassidy
Demon Balzaroth (voice) (uncredited)
D
David Hooks
The Nameless One (uncredited)