who played nemo in finding dory?
<answer> Ellen DeGeneres played Nemo in Finding Dory. <context> Voice cast. 1  Ellen DeGeneres as Dory, a regal blue tang who suffers from short-term memory loss. Sloane Murray as Young Dory. 2  Albert Brooks as Marlin, an overprotective ocellaris clownfish, Nemo's father and Dory's friend. 3  Hayden Rolence as Nemo, a young optimistic clownfish and Marlin's son.