Fredric March

Dr. Joseph Pearson

Ben Gazzara

Dr. David Coleman

Dick Clark

Dr. Alexander

Ina Balin

Cathy Hunt

Eddie Albert

Dr. Charles Dornberger

Phyllis Love

Mrs. Elizabeth Alexander

Edward Andrews

Jim Bannister

Aline MacMahon

Dr. Lucy Grainger

Arthur Hill

Tomaselli

Rosemary Murphy

Miss Graves

Barnard Hughes

Dr. Kent O'Donnell

Joseph Bova

Dr. Shawcross

George Segal

Dr. Howard

Matt Crowley

Dr. Rufus

Dolph Sweet

Police Car Driver

Ronald Reagan

Narrator (voice)

Dick Button

Operating Intern