The Panther's Claw

The police arrest a man climbing over the wall of a cemetery after midnight. He claims that he is being blackmailed and is following instructions he received by mail to leave $1000 on a certain grave. It turns out that he's not the only one who got a blackmail letter from the same person--calling himself "The Black Panther"--and it also turns out that all the recipients are connected to an opera company.The Panther's Claw featuring Sidney Blackmer and Rick Vallin is streaming with subscription on Prime Video, streaming on Epix, and available for rent or purchase on Prime Video. It's a crime and mystery movie with an average IMDb audience rating of 5.8 (180 votes).