The Strange Mr. Gregory (1945)

Famed magician Mr. Gregory is visited back stage one night by an amateur magician and his wife. Immediately smitten with Ellen Randall, Gregory plots to win her over. His plot involves suspended animation, mesmerization, murder, and false identity. After Ellen's husband is convicted of manslaughter, she falls under Gregory's spell; luckily one of Ellen's friends suspects what is happening and takes steps to thwart Gregory's plans.