Mystery of the White Room
VoltarElenco
Bruce CabotDr. Bob Clayton
Helen MackCarole Dale
Joan WoodburyLila Haines
Constance WorthAnn Stokes
Thomas E. JacksonSergeant Macintosh Spencer (as Thomas Jackson)
Tom DuganHank Manley
Mabel ToddDora Stanley
Roland DrewDr. Norman Kennedy
Addison RichardsDr. Finley Morton
Frank ReicherDr. Amos Thornton
Frank PugliaTony
Don PorterDr. Donald Fox- Dee DoddLittle Boy
Byron FoulgerThe Coroner
John HarmonPete - the Fingerprint Man
Holmes HerbertHospital Administrator