A chemical manufacturer is killed just after asking detective James Wong to help him. So Detective Wong decides to investigate this as well as two subsequent murders. Boris Karloff, Grant Withers, Maxine Jennings, Evelyn Brent, George Lloyd, Lucien Prival, John St. Polis Added on Amazon Prime 2023-07-23.

A gang of criminals, which includes a piano player and an imposing former convict known as 'Gruesome', has found out about a scientist's secret formula for a gas that temporarily paralyzes anyone who breathes it. When Gruesome accidentally inhales some … Boris Karloff, Ralph Byrd, Anne Gwynne, Edward Ashley, June Clayworth, Lyle Latell, Tony Barrett Added on Amazon Prime 2023-02-07.