Sheen's film career began in 1983, when he was cast to portray Ron in ', the sequel to the 1976 low budget horror movie "Grizzly", which remained unreleased until 2020. In 1984, he had a role in the Cold War teen drama "Red Dawn" with Patrick Swayze, C. Thomas Howell, Lea Thompson, and Jennifer Grey. Sheen and Grey reunited in a small scene in "Ferris Bueller's Day Off" (1986). He also appeared in an episode of the anthology series "Amazing Stories". Sheen had his first major role in the Vietnam War drama "Platoon" (1986). In 1987, he starred with his father in "Wall Street". Both "Wall Street" and "Platoon" were directed by Oliver Stone. In 1988, Stone asked Sheen to star in his new film "Born on the Fourth of July" (1989), but later cast Tom Cruise instead. Sheen was never notified by Stone, and only found out when he heard the news from his brother Emilio. Sheen did not take a lead role in Stone's subsequent films, although he did have a cameo role in '.