These are non each actor world health organization is found by the talent professional when acting within the school play, however it did happen to Smith. When two or three years of knocking as much as, he luck out by owning his role of Terry "The Toad" Fields in the super successful American Graffiti (1973). When his career might not use sprang into high devices prefer George Lucas, Harrison Ford, Richard Dreyfuss, Cindy Williams, Suzanne Somers or Ron Howard, it did keep him working. A sequel More American Graffiti (1979), did not keep close at hand a profits of the original, however he gained notice in The Buddy Holly Story (1978), Never Cry Wolf (1983), and a large hit Starman (1984).

A rest of his career was primarily around supporting casts, however he received serious notices for his act in The Untouchables (1987). When his career was flat in the 1990s after appearing around flops in Speechless (1994) and I Love Trouble (1994), he came back by owning a good performance in the TV miniseries ''Larry McMurtry's Streets of Laredo (1995) and the bit part in the dissapointing however large budget Deep Impact in 1998. He was too one of a directors of the TV series Space: Above and Beyond'' (1995).

He likewise has production, directing & writing credits inside the career that has spanned complete 35 years.