Night Nurse (1931)
Lora Hart manages to land a job in a hospital as a trainee nurse. Upon completion of her training she goes to work as a night nurse for two small children who seem to be very sick, though something much more sinister is going on.
Directed by: William A. Wellman
Starring: Barbara Stanwyck, Ben Lyon, Joan Blondell, Clark Gable, Blanche Friderici, Charlotte Merriam
Links: IMDb, Movie posters, Movie stills