Albert Brooks Marlin (voice) Ellen DeGeneres Dory (voice) Alexander Gould Nemo (voice) Willem Dafoe Gill (voice) Geoffrey Rush Nigel (voice) Brad Garrett Bloat (voice) Allison Janney Peach (voice) Austin Pendleton Gurgle (voice) Stephen Root Bubbles (voice) Vicki Lewis Deb / Flo (voice) Joe Ranft Jacques (voice) Andrew Stanton Crush (voice) Elizabeth Perkins Coral (voice) Nicholas Bird Squirt (voice) Bob Peterson Mr. Ray / Additional Voices (voice) Barry Humphries Bruce (voice) Eric Bana Anchor (voice) Bruce Spence Chum (voice) Bill Hunter Dentist (voice) Jordan Ranft Tad (voice) Erica Beck Pearl (voice) Erik Per Sullivan Sheldon (voice) John Ratzenberger Fish School (voice) Carlos Alazraqui Additional Voices (voice) Alec Medlock Additional Voices (voice) Bob Bergen Additional Voices (voice) Paul Eiding Additional Voice (voice) Phil Proctor Additional Voices (voice) Daryl Sabara Additional Voices (voice) Jennifer Darling Additional Voices (voice) Jess Harnell Additional Voices (voice) Sherry Lynn Additional Voices (voice) Jim Ward Additional Voices (voice) Mickie McGowan Additional Voices (voice) Jack Angel Additional Voices (voice) Laraine Newman Additional Voices (voice)