Leif Erickson
Dr. Victor Briggs
Robert Foxworth
Dr. Calvin Briggs
Kate Jackson
Nurse Michelle Johnson
Jonathan Goldsmith
Dr. Jimmy Martin (as Jonathan Lippe)
Burgess Meredith
Dr. Simmons
William Windom
Mr. Farrigan
Karl Swenson
Mr. Fisherman
Susan Moffitt
Terri
Barbara Baldwin
Mrs. Spencer
William Bryant
Mr. McDermott (as Bill Bryant)
Stirling Silliphant
Writer
Jack Hunsaker
Supervising Music Editor
Kenyon Hopkins
Music
Monty Elliott
Art Direction
William M. Andrews
Supervising Sound Editor
Bernard L. Kowalski
Director
Stirling Silliphant
Creator
Norman A. August
Assistant Director
Ted Cook
Property Master
Bill Ross
Supervising Art Director
Stirling Silliphant
Producer
Wally Samson
Unit Manager
Michael Vejar
Editor
Dominick Gaffey
Sound Mixer
Howard Schwartz
Cinematography
Dorcy Howard
Set Decoration
Edward K. Milkis
Post Production Supervisor
Sam Strangis
Production Manager