👉 Gasper is a character from the science fiction television series "The Expanse," portrayed by actor Anthony Rapp. He is a rogue alien who has been tracking down an alien probe that was discovered in the planet of Coruscant, and he uses his knowledge of space to help the crew of the Starship Enterprise find the probe. Gasper's role in the story is crucial as it helps the crew navigate through the galaxy and uncover more about the aliens they encounter.