As of July 2026, Bob Peterson is best known for Monsters at Work and Dug Days. Find every show and movie Bob Peterson has starred in — and where to watch them — below.
Bob Peterson

Bob Peterson

Actor Born 1961 Wooster, Ohio, USA 2 TV Shows 8 Movies

Robert "Bob" Peterson (born January 1961) is an American animator, screenwriter, director and voice actor, who has worked for Pixar since 1994. His first job was working as a layout artist and animator on Toy Story. He was nominated for an Oscar for his screenplay for Finding Nemo. Petersonis a co-director and the writer of Up, which gained him his second Oscar nomination. He also performed the voices of Roz in Monsters, Inc., Mr. Ray in Finding Nemo, Dug the dog and Alpha the dog in Up and in Dug's Special Mission, and the Janitor in Toy Story 3.

Peterson was born in Wooster, Ohio, his family moved to Dover, Ohio, where he graduated from Dover High School. He received his undergraduate degree from Ohio Northern University, and a Master's degree in mechanical engineering from Purdue University in 1986. While attending Purdue, he wrote and illustrated the comic strip Loco Motives for the Purdue Exponent. Prior to coming to Pixar, Peterson worked at Wavefront Technologies and Rezn8 Productions.

In 2008, Peterson played the part of Terry Cane, a puppeteer in Dan Scanlon's first feature film Tracy. He also played additional voices in Tokyo Mater in 2008, and the voice of Mr. Ray for the Finding Nemo Submarine Voyage ride at Disneyland Park in 2007. His most recent job at Pixar was voicing the Janitor at Sunnyside Daycare Center in Pixar's 11th film, Toy Story 3, which was released on June 18, 2010.

Description above from the Wikipedia article Bob Peterson (animator), licensed under CC-BY-SA, full list of contributors on Wikipedia.

Alongside acting, Bob Peterson is also known as a director, writer, screenwriter. His screen credits lean toward Family and Animation.

Bob Peterson's most notable role to date came in Up (2009), where he played Dug / Alpha (voice). He also appeared in Finding Nemo (2003) as Mr. Ray / Additional Voices (voice). Most recently appeared in Monsters, Inc. (2001) as Roz (voice).

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📺 Bob Peterson's TV Shows

Monsters at Work
Roze (voice)
2021
Dug Days
Dug (voice)
2021

🎬 Bob Peterson's Movies

Hoppers
Additional Voices (voice)
2026
Toy Story 3
Additional Voices (voice)
2010
Monsters, Inc.
Roz (voice)
2001
Finding Nemo
Mr. Ray / Additional Voices (voice)
2003
Up
Dug / Alpha (voice)
2009
The Incredibles
Additional Voices (voice)
2004
Elio
Universal Users Manual (voice)
2025
Cars
Additional Voices (voice)
2006

📝 Created / Written by Bob Peterson

Cars 3
Screenplay
2017
The Good Dinosaur
Story
2015
Finding Dory
Story
2016
Carl's Date
Director
2023
Forky Asks a Question: What Is Art?
Director
2019
Forky Asks a Question: What Is Reading?
Director
2020
Marine Life Interviews
Writer
2016
Exploring the Reef
Writer
2003

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