Louis Gossett Jr.

Dr. MacArthur St. Clair

Ronald Hunter

Joe Hamill

E.G. Marshall

Dr. Mendel

Sheila Frazier

Gloria St. Clair

Lara Parker

Denice

Peggy Walton-Walker

Mrs. Hamill

René Enríquez

Mr. Dominguez

Philip Sterling

Skeptical Doctor

Peggy McCay

Stacy

Arthur Rosenberg

Anesthesiologist

Mary Carver

Nurse

Roberta Jean Williams

Nurse

Ethelinn Block

Nurse

Vincent Milana

John Berwick

Crash Cart Nurse

Jeffrey Jacquet

St. Clair Son

John de Lancie

EKG Doctor (uncredited)