 Ellen DeGeneresDory (voice) | Dory (voice) |
 Albert BrooksMarlin (voice) | Marlin (voice) |
 Ed O'NeillHank (voice) | Hank (voice) |
 Hayden RolenceNemo (voice) | Nemo (voice) |
 Diane KeatonJenny (voice) | Jenny (voice) |
 Eugene LevyCharlie (voice) | Charlie (voice) |
 Ty BurrellBailey (voice) | Bailey (voice) |
 Kaitlin OlsonDestiny (voice) | Destiny (voice) |
 Idris ElbaFluke (voice) | Fluke (voice) |
 Dominic WestRudder (voice) | Rudder (voice) |
 Kate McKinnonWife Fish (voice) | Wife Fish (voice) |
 Bill HaderHusband Fish (Stan) (voice) | Husband Fish (Stan) (voice) |
 Andrew StantonCrush (voice) | Crush (voice) |
| TTorbin Xan BullockGerald (voice) | Gerald (voice) |
| BBennett DammannSquirt (voice) | Squirt (voice) |
 Bob PetersonMr. Ray (voice) | Mr. Ray (voice) |
 Alexander GouldPassenger Carl (voice) | Passenger Carl (voice) |
| KKatherine RinggoldChicken Fish (voice) | Chicken Fish (voice) |
 John RatzenbergerHusband Crab (Bill) (voice) | Husband Crab (Bill) (voice) |
 Angus MacLaneSunfish 'Charlie Back and Forth' (voice) | Sunfish 'Charlie Back and Forth' (voice) |
 Willem DafoeGill (voice) | Gill (voice) |
 Brad GarrettBloat (voice) | Bloat (voice) |
 Allison JanneyPeach (voice) | Peach (voice) |
 Austin PendletonGurgle (voice) | Gurgle (voice) |
 Stephen RootBubbles (voice) | Bubbles (voice) |
 Vicki LewisDeb (& Flo) (voice) | Deb (& Flo) (voice) |
| JJerome RanftJacques (voice) | Jacques (voice) |
| SSloane MurrayYoung Dory (voice) | Young Dory (voice) |
| LLucia GeddesTween Dory (voice) | Tween Dory (voice) |
 Gabriel C. BrownBecky | Becky |
