Dr. James Kildare
Lew Ayres
Dr. Leonard Gillespie
Lionel Barrymore
Nurse Parker
Nell Craig
Dr. Jordan
Cliff Danielson
Collins
Henry Wadsworth
Joiner
Tom Collins
Conover
George H. Reed
Mr. Brownlee
Donald Briggs
Mrs. Brownlee
Leona Maricle
Bates
Archie Twitchell
Sally
Marie Blake
Atkinson
Charles Trowbridge
Nurse Mary Lamont
Laraine Day
Intern (uncredited)
Arthur O'Connell
Clifford Genet - an Orderly (uncredited)
Eddie Acuff
Boylston - City Council Member (uncredited)
Erville Alderson
Mr. Cobb - a Farmer (uncredited)
Arthur Aylesworth
Carew's Secretary (uncredited)
Barbara Bedford
Dr. Marsh (uncredited)
Jack Carr
Mrs. Deering (uncredited)
Mary Cecil
Parkersville Counterman (uncredited)
George Chandler
Dickson - City Council Member (uncredited)
Ken Christy
Nurse Probationer (uncredited)
Jane Drummond
Dr. Stephen Kildare
Samuel S. Hinds
Motorcycle Cop (uncredited)
Ralph Dunn
Carpenter Adding Sign on Door (uncredited)
Bob Ingersoll
Nurse for Mr. Winslow (uncredited)
Claire McDowell
Foghorn Murphy (uncredited)
Horace McMahon
Mike Ryan (uncredited)
Frank Orth
Parkersville Crazy Man (uncredited)
Milton Parsons
Mother of Baby (uncredited)
Ruth Robinson
Dr. Coldridge (uncredited)
Ferris Taylor
Nurse Shaw (uncredited)
Kay Vallon
George Winslow
Gene Lockhart
Dr. Davidson
John Shelton
Joe Wayman
Nat Pendleton
Mrs. Martha Kildare
Emma Dunn
Molly Byrd
Alma Kruger
Dr. Walter Carew
Walter Kingsford
Director
Harold S. Bucquet
Music
David Snell
Recording Supervision
Douglas Shearer
Director of Photography
Harold Rosson
Story
Max Brand
Screenplay
Harry Ruskin
Set Decoration
Edwin B. Willis
Willis Goldbeck
Art Direction
Cedric Gibbons
Editor
Howard O'Neill
Assistant Art Director
Eddie Imazu
Wardrobe Designer
Dolly Tree