The Unknown Purple [981227] Released: 1923-10-01 Revenue: $0 Budget: $0 Profit: $0 Runtime: 70 mins Popularity: 0.5186 Vote Average: 0 Vote Count: 0 Overview: Inventor Peter Marchmont has discovered a purple light that renders the user invisible. On his release from prison, Marchmont, disguised as Victor Cromport, uses the light to revenge himself against his former wife, Jewel, and her partner, James Dawson, who framed him for theft. Making himself invisible, Marchmont gradually ruins Dawson. He so wins Jewel's confidence and love that she is willing to kill Dawson at Marchmont's request. Finally, Marchmont leaves the scheming couple to their own misery and marries Jewel's sister, Ruth Marsh. Cast [12] Henry B. WalthallPeter Marchmont Alice LakeJewel Marchmont Stuart HolmesJames Dawson Helen FergusonRuth Marsh Frankie LeeBobbie Ethel Grey TerryMrs. Freddie Goo James MorrisonLeslie Bradbury Johnny ArthurFreddie Goodlitt Richard WayneGeorge Allison Brinsley ShawHawkins Mike DonlinBurton Dorothy Phillips Trailers