Costner made his film debut at age 19, in the 1974 film, Sizzle Beach, U.S.A., although the film was not released until 1986.
Costner made a very brief cameo in the 1982 Ron Howard film Night Shift, he is listed in the credits as ‘Frat Boy #2’ and appears at the climax of a frat-style, blow-out party in the New York City morgue, when the music is suddenly stopped by a frantic Henry Winkler, Costner can be seen holding a beer and looking surprised at the sudden halt of celebration.
He appeared in a commercial for the Apple Lisa and Table for Five in 1983, and, the same year, had a small role in the nuclear holocaust film Testament. Later, he was cast in The Big Chill and filmed several scenes that were planned as flashbacks, but they never made it to the final cut. His role was that of Alex, the friend who committed suicide, the event that brings the rest of the cast together. All that is seen of him are his slashed wrists as the mortician dresses his corpse in the movie… read more