The Colossus
A brilliant surgeon encases his dead son's brain in a large robot body, with unintended results...
The Robot
Not a feature, but an edited version of the 1939 serial "The Phantom Creeps" which was released to TV in 1949.
Giant (uncredited)
When a murder occurs on an ocean liner docked in New York, the trail leads to Coney Island and a spy ring.
The Robot
A mad scientist attempts to rule the world by creating various elaborate inventions.
Mob Leader at Finale (uncredited)
A grotesquely disfigured composer known as "The Phantom" haunts Paris' opera house, where he's secretly grooming Christine Daae to be an opera diva. Luring her to his remote underground lair, The Phantom declares his love. But Christine loves Raoul de Chagny and plans to elope with him. When The Phantom learns this, he abducts Christine.