The Invisible Ray Ending Explained: Janos Rukh discovers a certain type of radium that has almost magical healing properties. Directed by Lambert Hillyer, this 1936 science fiction film stars Boris Karloff (Dr. Janos Rukh), alongside Bela Lugosi as Dr. Felix Benet, Frank Lawton as Ronald Drake, Frances Drake as Diana Rukh. With a 6.4/10 rating, the ending has divided audiences.

What Happens at the End of The Invisible Ray?

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.

Lambert Hillyer's narrative builds toward a resolution centered on Boris Karloff (Dr. Janos Rukh)'s journey. But the element has a dangerous side, too, and it has already started affecting Rukh.

How Does Boris Karloff (Dr. Janos Rukh)'s Story End?

  • Boris Karloff: Boris Karloff's storyline wraps up in the final act, though some viewers have found the resolution more ambiguous than expected.
  • Bela Lugosi (Dr. Felix Benet): Bela Lugosi's role in the climax proves pivotal to how the central conflict resolves.
  • Frank Lawton (Ronald Drake): Frank Lawton's character undergoes a significant shift in the final act.

What Does the Ending of The Invisible Ray Mean?

The Invisible Ray's ending attempts to resolve the major plot threads, though some narrative elements involving Boris Karloff may feel rushed. Lambert Hillyer's final act has been both praised for its ambition and criticized for its execution.