58 mins | Crime, Romance, Mystery | March 17, 1939
58 mins | Crime, Romance, Mystery | March 17, 1939
| Producers | Universal Pictures |
| Original title | Mystery of the White Room |
| Directors | Otis Garrett |
| Writers | James G. Edwards, Alex Gottlieb |
as Dr. Bob Clayton
as Carole Dale
as Lila Haines
as Ann Stokes
as Sergeant Macintosh Spencer (as Thomas Jackson)
as Hank Manley
as Dora Stanley
as Dr. Norman Kennedy
as Dr. Finley Morton
as Dr. Amos Thornton
as Tony
as Dr. Donald Fox
as Little Boy
as The Coroner
as Pete - the Fingerprint Man
as Hospital Administrator