John Ratzenberger

John Ratzenberger is an actor who has his own Food Network show and has appeared in every PIXAR film. He appeared on The Simpsons in Fear of Flying, where he reprised his role of Cliff Clavin from Cheers.

Guest stars in season 6

Winona Ryder • Albert Brooks • Sara Gilbert • Kelsey Grammer • Phil Hartman • Jon Lovitz • Michelle Pfeiffer • Dr. Demento • Larry King • James Earl Jones • Meryl Streep • Dennis Franz • Ted Danson • Woody Harrelson • Rhea Perlman • John Ratzenberger • George Wendt • Anne Bancroft • Patrick Stewart • Dick Cavett • Johnny Unitas • Mel Brooks • Susan Sarandon • Mandy Patinkin • Frank Welker • Ron Taylor • Steve Allen • Tito Puente