Dr. James Kildare
Dr. Leonard Gillespie
Mary Lamont
Vernon Briggs
Molly Byrd
Dr. Stephen Kildare
Constanzo Labardi
Dr. Walter Carew
Mrs. Martha Kildare
Dr. Lockberg
Nurse Parker
Mike Ryan
Conover (as George H. Reed)
Sally
Mrs. Bartlett
Clifford Genet - Orderly (uncredited)
Taxi Driver (uncredited)
Concertgoer (uncredited)
Rat-Faced Man (uncredited)
Nurse (uncredited)
Nurse Maisie (uncredited)
Mrs. Worth (uncredited)
Policeman (uncredited)
Nurse at Party (uncredited)
Mrs. Lewis - Rehearsal Pianist (uncredited)
Sailor (uncredited)
Violinist (uncredited)
Jennie the Maid (uncredited)
Minister (uncredited)
Photographer with Lockberg (uncredited)
Anna Mae (uncredited)
Elevator Operator (uncredited)
Concert Announcer (uncredited)
Dr. Whitney (uncredited)
Professor Andrews (uncredited)
Rural Taxi Driver (uncredited)
Jarod 'Foghorn' Murphy (uncredited)
Citizen in Elevator (uncredited)
Strange Man in Elevator (uncredited)
Messenger at Concert (uncredited)
Piano Mover (uncredited)
Leo Cobb - Orderly (uncredited)
Mr. Chanler (uncredited)
Joe - Piano Mover (uncredited)