Robinson's acting credits include appearances in "Black Gestapo", "Emergency!", "The White Shadow", "Flamingo Road", "The Fresh Prince of Bel Air", "The Game", "Touched by an Angel", and "Antwone Fisher". Robinson was cast in the role of Newdell in the NBC comedy "Buffalo Bill". Not the show it was expected to be, "Buffalo Bill" was canceled after one season and replaced by "Night Court". Robinson was cast as court clerk Mac Robinson, after the first season in 1984, when Karen Austin, who played the original court clerk, left the cast. Robinson played the role on "Night Court" from 1984 until the show ended in 1992. He also directed three episodes of the series.