For five years, Tabor played the part of Hank Kingsley, talk-show sidekick on the HBO comedy series, "The Larry Sanders Show." He's had many character roles on television and film. He made his film debut with a critically-acclaimed performance as Al Pacino's deranged law partner in the 1979 film "And Justice For All." He's currently starring in the TV movie "Weapons of Mass Distraction" written by Larry Gelbart. It premieres May 17.