Dr. James Kildare

Dr. Leonard Gillespie

Nurse Mary Lamont

Joe Wayman

Rosalie Lewett

Dr. Stephen Kildare

Alice Raymond

Mrs. Martha Kildare

Dr. Walter Carew

Molly Byrd

James Galt

Harry Galt

Sally

Bates

Joiner

Collins

Tom Crandell

Nurse "Nosey" Parker

Nick

Conover

'Red'

Jenny's Mother (uncredited)

Dr. Carew's Secretary (uncredited)

Mrs. Benson - Tommy's Mother (uncredited)

Elevator Operator (uncredited)

Detective Flaherty (uncredited)

Old Lady in Hall (uncredited)

Policeman in Nick's Hospital Room (uncredited)

Hickman - Policeman Bringing Jenny (uncredited)

Fog Horn - Taxi Driver (uncredited)

Special Delivery Boy (uncredited)

Mike Sullivan - Hospital Cafe Owner (uncredited)

Man Telling Hickman to Put His Hat On (uncredited)

Mrs. Thatcher (uncredited)

Black Man with Stomach Trouble (uncredited)

Newsboy (uncredited)

Man in Galt's Office (uncredited)

Patient (uncredited)

Jenny (uncredited)

Mother of Baby Vaughan (uncredited)

Tommy Benson (uncredited)