'Four actors have played the same character in at least six different TV series. '
The actors and their characters are George Wendt (Norm Peterson), John Ratzenberger (Cliff Clavin), Richard Belzer (Det. Munch), and Paul Fusco (the voice of ALF). Most of Belzer's appearances relate to the Law & Order television franchise; Wendt's and Ratzenberger's Cheers characters typically appeared together on shows including Frasier, Wings, St. Elsewhere, The Tortellis, and The Simpsons. Finally, Fusco voiced ALF on ALF, ALF the Animated Series, ALF Tales, Matlock, Blossom, and The Love Boat: The Next Wave.