Lionel Barrymore

Dr. Leonard Gillespie

Van Johnson

Dr. Randall Adams

Marilyn Maxwell

Ruth Edley

Keye Luke

Dr. Lee Wong How

Ava Gardner

Jean Brown

Alma Kruger

Molly Bird

Rags Ragland

Hobart Genet

Nell Craig

Nurse 'Nosey' Parker

Walter Kingsford

Dr. Walter Carew

George H. Reed

Conover

Celia Travers

Nurse Slidell

James Burke

First Policeman (uncredited)

George Chandler

Attendant (uncredited)

Chester Clute

Mr. Burns (uncredited)

Byron Foulger

Technician (uncredited)

Willis Goldbeck