 Ben BurttWALL·E / M-O (voice) | WALL·E / M-O (voice) |
 Elissa KnightEVE (voice) | EVE (voice) |
 Jeff GarlinCaptain (voice) | Captain (voice) |
 Fred WillardShelby Forthright, BnL CEO | Shelby Forthright, BnL CEO |
 John RatzenbergerJohn (voice) | John (voice) |
 Kathy NajimyMary (voice) | Mary (voice) |
 Sigourney WeaverShip's Computer (voice) | Ship's Computer (voice) |
 Lori AlanAdditional Voices (voice) | Additional Voices (voice) |
 Bob BergenAdditional Voices (voice) | Additional Voices (voice) |
 John CyganAdditional Voices (voice) | Additional Voices (voice) |
 Pete DocterAdditional Voices (voice) | Additional Voices (voice) |
 Paul EidingAdditional Voices (voice) | Additional Voices (voice) |
 Donald FulliloveAdditional Voices (voice) | Additional Voices (voice) |
 Teresa GanzelAdditional Voices (voice) | Additional Voices (voice) |
 Jess HarnellAdditional Voices (voice) | Additional Voices (voice) |
 Sherry LynnAdditional Voices (voice) | Additional Voices (voice) |
 Mickie McGowanAdditional Voices (voice) | Additional Voices (voice) |
 Laraine NewmanAdditional Voices (voice) | Additional Voices (voice) |
 Teddy NewtonAdditional Voices (voice) | Additional Voices (voice) |
 Jeff PidgeonAdditional Voices (voice) | Additional Voices (voice) |
 Jan RabsonAdditional Voices (voice) | Additional Voices (voice) |
| LLori RichardsonAdditional Voices (voice) | Additional Voices (voice) |
 Andrew StantonAdditional Voices (voice) | Additional Voices (voice) |
 Jim WardAdditional Voices (voice) | Additional Voices (voice) |
 Colette WhitakerAdditional Voices (voice) | Additional Voices (voice) |
 Kim KopfHoverchair Mother (uncredited) | Hoverchair Mother (uncredited) |
 Angus MacLaneBURN-E (voice) (uncredited) | BURN-E (voice) (uncredited) |
 Niki McElroyPool Mother (uncredited) | Pool Mother (uncredited) |
| GGarrett PalmerBlond Boy in Commercial (uncredited) | Blond Boy in Commercial (uncredited) |
