The Invisible Ray (1936): cast, story & where to watch
1936 · Film · ★ 6.2
Released in 1936, The Invisible Ray is a thriller, horror, mystery and science fiction film directed by Lambert Hillyer, running about 79 minutes. “Delving into new, strange fields of mystery!” — that tagline sets the tone.
What it’s about. Dr. Janos Rukh discovers a certain type of radium that has almost magical healing properties. But the element has a dangerous side, too, and it has already started affecting Rukh. Consumed by paranoia, he begins to suspect that his wife is having an affair. Wild for revenge, Rukh hatches a deadly plot...using his own poisoned body as a weapon to kill.
Who’s in it. The Invisible Ray stars Boris Karloff as Dr. Janos Rukh, Bela Lugosi as Dr. Felix Benet, Frank Lawton as Ronald Drake and Frances Drake as Diana Rukh, among others.
How it landed. With an audience score of 6.2/10, The Invisible Ray has drawn a solid, mixed-to-positive response.
Where to watch. In US you can rent or buy it from Amazon Video, Apple TV Store, Google Play Movies and YouTube. See the full, country-by-country breakdown on our where to watch The Invisible Ray page.
If you liked it. Fans of The Invisible Ray tend to enjoy The Dark Knight, Pulp Fiction, Parasite and Fight Club.
Frequently asked
- Where can I watch The Invisible Ray (1936)?
- In US, The Invisible Ray is available to rent or buy from Amazon Video, Apple TV Store and Google Play Movies. Availability varies by country — check our where-to-watch page for every region.
- Is The Invisible Ray worth watching?
- The Invisible Ray holds an audience score of 6.2 out of 10, and is a strong pick if you enjoy thriller, horror, mystery and science fiction. Reactions are mixed, so it may depend on taste.
- Who stars in The Invisible Ray?
- The Invisible Ray stars Boris Karloff, Bela Lugosi, Frank Lawton, Frances Drake and Violet Kemble Cooper.
- When was The Invisible Ray released?
- The Invisible Ray was released in 1936, with a runtime of about 79 minutes.