Ray Liotta

as Dr. Richard Sturgess

Kiefer Sutherland

as Dr. Peter Morgan

Forest Whitaker

as Dr. Sid Handleman

Lea Thompson

as Dr. Robin Van Dorn

John C. McGinley

as Dr. Rudy Bobrick

John Mahoney

as Dr. Henry Dreyfoos

Keith David

as Luther Jermoe

Kathy Baker

as Dr. Diana Walton