Louis Gossett Jr.

Dr. MacArthur St. Clair

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

John de Lancie

EKG Doctor (uncredited)