Dr. Alec Considine
Michael Callan
Dr. Lew Worship
Dean Jones
Dr. Pete Clarke
Greg Morris
Mrs. Hitchcock
Lee Patrick
Dr. Walters
Eddie Ryder
Madeline Osterman
Ellie Wood Walker
Dr. Arthur Hellman
Michael Fox
Dr. Risner
Alan Reed Jr.
Intern
Gordon K. Kee
Freddie
James Mathers
Dr. Morton Gardner
Rusty Lane
Nurse
Adrianne Ellis
Dr. Dominic Riccio
Telly Savalas
Beep
Michael Vandever
Stella
Sue Ane Langdon
Wolanski
Adam Williams
Bobbie
Dawn Wells
Dr. Duane
Peter Hobbs
Sandy
Marianna Hill
Detective Harper
Ken Mayer
Hood
David Winters
Larry
Norman Cole
Parking Lot Attendant
Ken Drake
Gloria Mead Worship
Stefanie Powers
Connors
Charles Lane
Nurse Arlene Shaw (uncredited)
Dee Carroll
Drunken Prankster at Baby Shower (uncredited)
Bob Crane
Student Nurse (uncredited)
Linda Lee
Como
Dal Jenkins
Nurse Laura Rogers
Barbara Eden
Nurse Didi Loomis
Kaye Stevens
Dr. Tony "Shiv" Parelli
George Segal
Nancy Terman
Inger Stevens
Dr. Granchard
Gregory Morton
Dr. Phil Osterman
George Furth
Stunts
George Orrison
Director of Photography
Lucien Ballard
Director
John Rich
Al Wyatt Sr.
Original Music Composer
Earle Hagen
Producer
Robert Cohn
Editor
Gene Milford
Author
Wilton Schiller
Screenplay
Art Direction
Don Ament
Set Decoration
Richard Mansfield
Eda Warren
Technical Advisor
Richard Soskin
Sound
Jack Solomon
Makeup Artist
Dave Grayson
Unit Production Manager
Ray Gosnell Jr.
Sound Supervisor
Charles J. Rice
Assistant Director
Mike Moder
Ben Lane