Dr. Strange

Clyde Kusatsu

Wong

Ted Cassidy

Demon Balzaroth (voice) (uncredited)

Anne-Marie Martin

Clea Lake

John Mills

Thomas Lindmer

Michael Ansara

The Ancient One (voice) (uncredited)

Philip Sterling

Dr Frank Taylor, Chief of Psychiatry

Jessica Walter

Morgan LeFay

Peter Hooten

Dr. Stephen Strange

Lady Rowlands

Mrs. Sullivan

Diana Webster

Head Nurse

Bob Delegall

Intern

David Hooks

The Nameless One (uncredited)

Sarah Rush

Nurse

Blake Marion

Department Chief

Ines Pedroza

Announcer