who played mr. kotter in welcome back kotter
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]
Brian Posehn Brian Edmund Posehn[1] (born July 6, 1966) is an American actor, voice actor, musician, writer, and comedian, known for his roles as Jim Kuback on The WB's Mission Hill and Brian Spukowski on Comedy Central's The Sarah Silverman Program. He also has a recurring role on The Big Bang Theory as geologist Bert Kibbler.