as Dr. James Kildare

as Dr. Leonard Gillespie

as Nurse Mary Lamont

as Dr. Gregory 'Greg' Lane

as Dr. Stephen Kildare

as Mrs. Martha Kildare

as Joe Wayman, Ambulance Driver

as Dr. S.J. 'Walter' Carew, Hospital Administrator

as Molly Byrd, Superintendant of Nurses

as Henry Adams, Amnesia Patient

as Nurse 'Nosey' Parker

as Sally, Hospital Switchboard Operator

as Dr. 'Egghead' Squires, Messinger Inst.

as Rufus Ingersoll

as Dr. Joiner

as Conover, Gillespie's Attendant

as Antonio 'Tony', the Hospital Chef

as J. Harold 'Fog Horn' Murphy

as Mike Ryan, Sullivan's Hospital Cafe

as Mrs. Julia Cray, Skin Alergy Patient

as Mrs. Henry Adams

as Spectator in Operating Theatre (uncredited)

as Ambulance Interne (uncredited)

as Mr. Grayson, Patient losing Eye Sight (uncredited)