Ed Begley Jr.

Frank

E.J. André

Mr. McCauley

Ann Doran

Mrs. McCauley

Christina Hart

Helen

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)

John Dehner

Narrator (voice) (uncredited)