The Dark Mirror

A sister and her disturbed twin are implicated in a murder and a police detective must figure out which one's the killer.

• Robert SiodmakDirector
• Nunnally JohnsonWriter
• Dimitri TiomkinOriginal Music Composer

• Olivia de HavillandTerry Collins / Ruth Collins
• Lew AyresDr. Scott Elliott
• Thomas MitchellLt. Stevenson
• Richard LongRusty
• Charles EvansDist. Atty. Girard
• Garry OwenFranklin
• Lela BlissMrs. Didriksen
• Lester AllenGeorge Benson
• Bess FlowersNightclub Patron (uncredited)
• Ida MooreMrs. O'Brien (uncredited)
• Jean AndrenDistrict attorney's secretary (uncredited)
• Marta MitrovichMiss Beade (uncredited)