He was early exposed to the performing arts at age 3, when his parents and family moved to Los Angeles. After doing more than 100 commercials, his first role was in the 1984 TV series Call to Glory. He voiced Littlefoot the Apatosaurus in the first The Land Before Time movie, and Little Nemo in Little Nemo: Adventures in Slumberland. He also appeared as Hob in RoboCop 2. At age 16, he had worked in roles alongside several big-name actors including Mel Gibson, Michelle Pfeiffer, Mickey Rooney, and Christian Bale and made guest appearances in popular shows such as ER, Star Trek: The Next Generation and Baywatch. In addition to acting, Damon is also working as a producer. He gained a large fanbase after his role as Spot Conlon in Newsies.