Dr. James Kildare
Lew Ayres
Dr. Leonard Gillespie
Lionel Barrymore
John Xerxes Archley
Grant Mitchell
Head Nurse Molly Byrd
Alma Kruger
Charles Herron
Robert Kent
Sally - Telephone Operator
Marie Blake
Mrs. Roberts
Martha O'Driscoll
Nurse 'Nosey' Parker
Nell Craig
Conover
George H. Reed
Mike Sullivan
Frank Orth
Finch (uncredited)
Walter Baldwin
Collins - Intern (uncredited)
Don 'Red' Barry
Paul Messenger
Lionel Atwill
Pay Orderly (uncredited)
George Chandler
Dr. Joiner (uncredited)
Tom Collins
Telephone Repair Man (uncredited)
Alec Craig
Hospital Attendant (uncredited)
Byron Foulger
Adam - Nora's Gardener (uncredited)
Mitchell Lewis
Messenger's Chauffeur (uncredited)
Matt McHugh
Policeman on Gaylor Ave. (uncredited)
Emory Parnell
Bates - Intern (uncredited)
William Tannen
Lunch Room Counterman (uncredited)
Joe Yule
Nancy Messenger
Helen Gilbert
Joe Wayman
Nat Pendleton
Nurse Mary Lamont
Laraine Day
Nora
Sara Haden
Dr. Stephen Kildare
Samuel S. Hinds
Mrs. Martha Kildare
Emma Dunn
Dr. S.J. Carew
Walter Kingsford
Director
Harold S. Bucquet
Music
David Snell
Recording Supervision
Douglas Shearer
Story
Max Brand
Screenplay
Harry Ruskin
Set Decoration
Edwin B. Willis
Willis Goldbeck
Art Direction
Cedric Gibbons
Assistant Art Director
Randall Duell
Editor
Frank E. Hull
Wardrobe Designer
Dolly Tree
Director of Photography
Alfred Gilks