Dr. Kildare's Strange Case (1940)

Young Dr. Kildare tries to help an unlucky brain surgeon and his seemingly insane patient.

Director:

 Harold S. Bucquet

Writers:

 Max Brand (story), Willis Goldbeck (story), 2 more credits »

Stars:

 Lew Ayres, Lionel Barrymore, Laraine Day - via IMDB 

https://archive.org/details/DrKildaresStrangeCase1940LewAyresDivXNatrip