Amid murders and kidnappings, a private detective is hired to find a missing girl whose family inheritance contains two rare collectible song recordings worth a lot of money.
Where to Watch Mysterious Intruder
Cast of Mysterious Intruder
Richard DixDon Gale
Barton MacLaneDetective Taggart
Nina ValeJoan Hill, Gale's Secretary
Regis ToomeyJames Summers
Helen MoweryFreda Hanson
Mike MazurkiHarry Pontos
Pamela BlakeElora Lund
Charles LaneDetective Burns
Paul E. BurnsEdward Stillwell
Kathleen HowardRose Denning
Harlan BriggsMr. Brown
Jessie ArnoldWoman in Window (Uncredited)
Stanley BlystoneHenry (Uncredited)
Jack CarringtonBartender (Uncredited)
Eddy ChandlerCop in Squad Car (Uncredited)
Kernan CrippsKelly (Uncredited)
Edith EvansonMrs. Ward (Uncredited)
Otto ForrestThe Whistler (Voice) (Uncredited)
Martín GarralagaDetective (Uncredited)
Selmer JacksonDr. Connell (Uncredited)
Charles JordanDesk Clerk (Uncredited)
Donald KerrReporter (Uncredited)
Joe PalmaPolice Guard Outside Stillwell's Store (Uncredited)
Arthur SpaceDavis (Uncredited)
Dan StowellReporter (Uncredited)
Harry StrangPolice Desk Sergeant (Uncredited)
Isabel WithersMiss Gordon (Uncredited)
William CastleDirector
Eric TaylorWriter
Rudolph C. FlothowProducer
Mysterious Intruder Ratings & Reviews
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