In 1986 Hathaway starred in Troll, as Harry Potter, Jr. and in the television movie Casebusters, as Jamie. Hathaway did not return to acting until 1994, in the film To Die, to Sleep, in his first adult role. After a second hiatus as an actor, Hathaway returned in 2011 for the films Mondo Holocausto! as Ruggero Margheriti, and Sushi Girl as Fish.