Alexander Gould (born May 4, 1994) is an American actor most wildly known for his role in Finding Nemo as the titular character Nemo. He also starred in the Showtime sitcom Weeds as Shane Botwin. He did not return to reprise his role as Nemo in Finding Dory due to a change in his voice, and was replaced by a child actor named Hayden Rolence. However, he has voiced a different character who is named Carl.
Alexander Gould with Hayden Rolence (the new Nemo) at the Finding Dory premiere.