Jed's first role was a brief one as an Alaskan Malamute in John Carpenter's The Thing (1982). Jed's character in the film was the first form to be taken by the alien creature. His next role was in The Journey of Natty Gann, starring alongside Meredith Salenger and John Cusack. In 1991, Jed starred as the protagonist White Fang in the Walt Disney film of the same name, starring a young Ethan Hawke. Jed was also featured in the Saint Catherine's Players production of The Little Mermaid as King Triton.