Claim: Hayden Rolence voiced the character Nemo in the 2016 film, Finding Dory produced by Pixar Animation Studios and released by Walt Disney Pictures.
Evidence: He is best known for voicing Nemo in the 2016 animated film Finding Dory. Finding Dory is a 2016 American computer-animated adventure film produced by Pixar Animation Studios and released by Walt Disney Pictures. 
Directed by Andrew Stanton and written by Stanton and Victoria Strouse, the film is a sequel/spinoff to Finding Nemo (2003) and features the returning voices of Ellen DeGeneres and Albert Brooks, with Hayden Rolence (replacing Alexander Gould), Ed O'Neill, Kaitlin Olson, Ty Burrell, Diane Keaton, and Eugene Levy joining the cast. Finding Dory is a 2016 American computer-animated adventure film produced by Pixar Animation Studios and released by Walt Disney Pictures. In August 2015, at Disney's D23 Expo, it was announced that Hayden Rolence would voice Nemo, replacing Alexander Gould from the first film, whose voice had deepened since reaching adulthood (Gould voiced a minor character in the sequel instead).