Lionel Barrymore
Dr. Leonard Gillespie
Lew Ayres
Dr. James Kildare
Lynne Carver
Alice Raymond
Nat Pendleton
Joe Wayman
Jo Ann Sayers
Barbara Chanler
Samuel S. Hinds
Dr. Stephen Kildare
Emma Dunn
Mrs. Martha Kildare
Walter Kingsford
Dr. P. Walter Carew
Truman Bradley
Jack Hamilton
Monty Woolley
Dr. Lane-Porteus
Pierre Watkin
Mr. Robert Chanler
Nella Walker
Mrs. Chanler
Murray Alper
Blue Swan Waiter (uncredited)
Don 'Red' Barry
Dr. Collins (uncredited)
Granville Bates
Harry Cook (uncredited)
Barbara Bedford
Nurse (uncredited)
Margaret Bert
Little Boy's Mother (uncredited)
Marie Blake
Miss Sally Green (uncredited)
Virginia Brissac
Boardinghouse Landlady (uncredited)
John Butler
Coronary Patient (uncredited)
Don Castle
Dr. Bates (uncredited)
Janice Chambers
Maggie (uncredited)
Roger Converse
Dr. Joiner (uncredited)
Nell Craig
Nurse Parker (uncredited)
Frank Dae
President, Board of Directors (uncredited)
Bess Flowers
Nurse (uncredited)
Brenda Fowler
Head Nurse (uncredited)
Harrison Greene
Bartender (uncredited)
Howard Hickman
Dr. Harris (uncredited)
Cy Kendall
Charlie (uncredited)
Mary MacLaren
Lodger Bringing Blanket (uncredited)
James Pier Mason
Lodger Going for Ambulance (uncredited)
Tom McGuire
Clancy (uncredited)
Jack Murphy
Intern (uncredited)
Frank Orth
Mike Ryan (uncredited)
Leonard Penn
Albert Foster (uncredited)
Cyril Ring
Intern (uncredited)
Clinton Rosemond
Conover (uncredited)
Gilbert Russell
Intern (uncredited)
Edwin Stanley
Resident Doctor (uncredited)
Phillip Terry
Dr. Vickery (uncredited)
Emmett Vogan
Detective Herman (uncredited)
Bobs Watson
Little Boy (uncredited)
Jack Woody
Ed (uncredited)
William Worthington
Board Member (uncredited)
