Mystery of the White Room

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 (as Thomas Jackson)

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

Dee Dodd

as Little Boy

Byron Foulger

as The Coroner

John Harmon

as Pete - the Fingerprint Man

Holmes Herbert

as Hospital Administrator