Calling Dr. Kildare

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)