He guest-starred on such television shows as "Playhouse 90", "Too Close for Comfort", "Tales from the Darkside", "Love, American Style", "That Girl", "Sanford and Son" and "The Man from U.N.C.L.E.", and was a regular on "The Dean Martin Show". In the summer of 1976, Jacobi was the star of a CBS comedy series "Ivan the Terrible", in which he played a Russian headwaiter living with nine other people in a small Moscow apartment. Comics Christopher Hewett, Phil Leeds, Alan Cauldwell and, in her TV series debut, Nana Visitor (here billed under her birth name, Nana Tucker). Harvey Korman appeared as a Soviet bureaucrat in an uncredited cameo at the close of each episode. The executive producer of the short-lived series was noted comic Alan King. The comedy series only lasted 5 episodes.