Katherine Merrill
Elizabeth Montgomery
Dr. Michael Grant
Anthony Hopkins
Zalenki
Edgar Daniels
Dr. Snyder
James Ingersoll
Sam
Jack Manning
Eileen's Son
Garrick Russell
Dr. Birney
Eric Server
Janet
Deborah White
Sid (uncredited)
Michael Thoma
Dolores Marsh
Michele Lee
Eileen
Janet MacLachlan
Manny
Michael Lerner
Jeremy
John Elerick
Dr. Kassiter
Herbert Berghof
Archie
Vic Tayback
Sandy
Mario Roccuzzo
Veronica
Julie Rogers
Director
Robert Butler
Music
Billy Goldenberg
Executive Producer
Richard Irving
Writer
M. Charles Cohen
Art Direction
William H. Tuntke
Editor
John J. Dumas
Producer
Jules Irving
Theatre Play
Bertram Bloch
Cinematography
Michael D. Margulies
Set Decoration
John Franco Jr.
George Emerson Brewer Jr.
Costume Design
Grady Hunt