John Travolta
John Joseph Travolta (born February 18, 1954) is an American actor, film producer, dancer, and singer. Travolta first became known in the 1970s, appearing on the television series "Welcome Back, Kotter" (1975–1979) and starring in the box office successes "Saturday Night Fever" (1977) and "Grease" (1978). His acting career declined through the 1980s, but enjoyed a resurgence in the 1990s with his role in "Pulp Fiction" (1994), and he has since starred in films such as "Get Shorty", "Broken Arrow", "Face/Off", "Swordfish", "Be Cool", "Wild Hogs", "Hairspray", and "The Taking of Pelham 123".
John Badham
Badham worked in television for years, before his breakthrough in 1977 with "Saturday Night Fever", a massive worldwide hit starring John Travolta. "WarGames" (1983), starring Matthew Broderick, is his other signature film, renowned for its take on popular Cold War fears of nuclear terror, and holocaust, as well as being one of the first films to deal with the subculture of amateur hacking.