Dr. James Kildare
Lew Ayres
Dr. Leonard Gillespie
Lionel Barrymore
Mike Ryan
Frank Orth
Conover (as George H. Reed)
George H. Reed
Samuel Z. Cutter
Barry Nelson
Clifford Genet
Eddie Acuff
Leo Cobb
Gus Schilling
Arnold Spencer
Stuart Crawford
Mr. Hubbell
William Bakewell
Mrs. Hubbell
Charlotte Wynters
Cynthia 'Cookie' Charles
Ann Ayars
Dr. Donald 'Don' Winthrop
Robert Sterling
Miss Annabelle Kirke
Jean Rogers
Molly Byrd
Alma Kruger
Dr. Walter Carew
Walter Kingsford
Nurse Parker
Nell Craig
Willie Brooks
Edward Gargan
Sally
Marie Blake
Recording Supervision
Douglas Shearer
Characters
Max Brand
Screenplay
Harry Ruskin
Set Decoration
Edwin B. Willis
Willis Goldbeck
Director
W.S. Van Dyke
Art Direction
Cedric Gibbons
Story
Joseph Harrington
Assistant Art Director
Wade B. Rubottom
Original Music Composer
Lennie Hayton
Director of Photography
William H. Daniels
Editor
Frank E. Hull
Costume Design
Robert Kalloch
Assistant Director
Tom Andre
Bert Spurlin