Mystery of the White Room

Mystery of the White Room is a 1939 American mystery film directed by Otis Garrett and starring Bruce Cabot, Helen Mack and Joan Woodbury.

Plot
A surgeon is killed during the middle of an operation when the hospital room is thrown into darkness. The police investigate to find out who is behind the murder.

Cast

 * Bruce Cabot as Dr. Bob Clayton
 * Helen Mack as Carole Dale
 * Joan Woodbury as Lila Haines
 * Constance Worth as Ann Stokes
 * Thomas E. Jackson as Sergeant Macintosh Spencer
 * Tom Dugan as Hank Manley
 * Mabel Todd as Dora Stanley
 * Roland Drew as Dr. Norman Kennedy
 * Addison Richards as Dr. Finley Morton
 * Frank Reicher as Dr. Amos Thornton
 * Frank Puglia as Tony
 * Don Porter as Dr. Donald Fox