On screen
Cast
20 credited performers
Ed Begley Jr.
Frank
E.J. André
Mr. McCauley
Ann Doran
Mrs. McCauley
Christina Hart
Helen
Artwork unavailable
Orin Cannon
Old Farmer
Artwork unavailable
Jean Le Bouvier
Mrs. Cantrell
Artwork unavailable
Dick McGarvin
Mr. Dorset
Artwork unavailable
Karen Hurley
Mr. Dorset
Patrick Macnee
Dr. Gheria
Anjanette Comer
Alexis
Elisha Cook Jr.
Karel
Horst Buchholz
Michael
Joan Hackett
Mother
Lee Montgomery
Bobby
Michael Talbott
Vinnie McCauley (uncredited)
Artwork unavailable
Gail Bowman
Maria (uncredited)
John Dehner
Narrator (voice) (uncredited)
Artwork unavailable
Joan Lemmo
Eva (uncredited)
Artwork unavailable
Jeff Reese
Young Man (uncredited)
Artwork unavailable
Lars Green
Demonic Bobby (uncredited)