John Joseph Travolta (born February 18, 1954) is an American actor, film producer, dancer, and singer. He first became known in the 1970s, after appearing on the television series Welcome Back, Kotter and starring in the box office successes Saturday Night Fever and Grease. Travolta's career re-surged in the 1990s, with his role in Pulp Fiction, and he has since continued starring in Hollywood films, including Face/Off, Ladder 49 and Wild Hogs. Travolta has twice been nominated for the Academy Award for Best Actor. The first, for his role in S…