Jon Voight plays Joe Buck, a naive Texan who moves to New York City with the intention of becoming a successful gigolo, in what 1969 Best Picture winner?

Midnight Cowboy

Midnight Cowboy is notable for being the only X-rated film to ever win the Academy Award for Best Picture, though its rating was later changed to R. The film also features Dustin Hoffman in a celebrated role as the con artist Ratso Rizzo.