Filmography from William Ruhl

Actor :

The Mad Ghoul, James P Hogan (as James Hogan), 1943
A university chemistry professor experiments with an ancient Mayan gas on a medical student, turning the would-be surgeon him into a murdering ghoul....

Black Friday, Arthur Lubin, 1940
When his friend Professor Kingsley is at deaths door, brain surgeon Dr. Sovac saves his life by means of an illegal operation that transplants part of injured gangster Red Cannon's brain. Unfortunately, the operation has a disastrous Jeckll and Hyde side effect and under certain conditions the persona of Cannon emerges. Sovac soon learns of the duel personality and of half a million dollars the gangster has hidden away. He attempts to find the...