John Crichton is a fictional character from the science fiction television series Farscape. He is an astronaut from Earth who accidentally gets transported to a distant part of the universe through a wormhole. Throughout the series, he navigates various alien cultures and encounters unique species while trying to find a way back home. Crichton is portrayed by actor Ben Browder and is known for his intelligence, resourcefulness, and humor. His character often struggles with the challenges of being an outsider in a strange world, forming deep connections with other characters aboard the living ship, Moya.