who played mr. carter in welcome back carter
Welcome Back, Kotter Welcome Back, Kotter is an American sitcom starring Gabe Kaplan as a wisecracking high school teacher in charge of a racially and ethnically diverse remedial class called the "Sweathogs." It marked John Travolta's television debut role. Recorded in front of a live studio audience, it originally aired on ABC from September 9, 1975, to May 17, 1979.[1]