John Ratzenberger
John Dezso Ratzenberger is an American actor, voice actor, director, producer, writer and entrepreneur. He is one of the most successful actors of all time in terms of box-office receipts. Ratzenberger is best known for portraying Cliff Clavin on the popular comedy series Cheers, for which he earned two Primetime Emmy nominations. He is also known being a voice actor appearing in almost every Pixar Animation Studios feature film, including Hamm in the Toy Story franchise, The Underminer in The Incredibles franchise, and Mack in the Cars franchise.
Ratzenberger began his entertainment career while living in London in the 1970s. He had minor film and television roles throughout the late 70s and early 1980s before creating, and then landing, the role of the know-it-all mailman Cliff Clavin on Cheers, a role he portrayed throughout the show's eleven seasons. His first Pixar role was the voice of Hamm in Toy Story, and he has voiced Pixar characters in films and video games ever since. From 2004 to 2008 he hosted the TV documentary series Made in America. Outside of acting, he has promoted American entrepreneurship and manufacturing, and campaigned for several Republican candidates.
Acting
Movie
Inside Out
as Fritz (voice)
2015
Movie
Up
as Construction Foreman Tom (voice)
2009
Movie
Coco
as Juan Ortodoncia (voice)
2017
Movie
Finding Nemo
as Fish School (voice)
2003
Movie
WALL·E
as John (voice)
2008
Movie
Toy Story
as Hamm (voice)
1995
Movie
Monsters, Inc.
as Yeti (voice)
2001
Movie
The Incredibles
as Underminer (voice)
2004
Movie
Ratatouille
as Mustafa (voice)
2007
Movie
The Empire Strikes Back
as Major Derlin
1980
Movie
Toy Story 3
as Hamm (voice)
2010
Movie
Cars
as Mack / Hamm Truck / Abominable Snow Plow / P.T. Flea Car (voice)
2006
Movie
Toy Story 2
as Hamm (voice)
1999
Movie
Brave
as Gordon (voice)
2012
Movie
Incredibles 2
as Underminer (voice)
2018
Movie
Finding Dory
as Husband Crab (Bill) (voice)
2016
Movie
Monsters University
as Yeti (voice)
2013
TV
The Simpsons
as Cliff Clavin / CGI Homer Simpson (voice)
1989
Movie
Toy Story 4
as Hamm (voice)
2019
Movie
A Bug's Life
as P.T. Flea (voice)
1998
Movie
Cars 2
as Mack (voice)
2011
Movie
Inside Out 2
as Fritz (voice)
2024
Movie
Onward
as Construction Worker Fennwick (voice)
2020
Movie
Cars 3
as Mack (voice)
2017
