Tom Hanks Woody (voice) Tim Allen Buzz Lightyear (voice) Joan Cusack Jessie (voice) Don Rickles Mr. Potato Head (voice) Wallace Shawn Rex (voice) John Ratzenberger Hamm (voice) Estelle Harris Mrs. Potato Head (voice) Blake Clark Slinky Dog (voice) Jeff Pidgeon Aliens (voice) Ned Beatty Lotso (voice) Michael Keaton Ken (voice) Jodi Benson Barbie (voice) John Morris Andy (voice) Emily Hahn Bonnie (voice) Timothy Dalton Mr. Pricklepants (voice) Kristen Schaal Trixie (voice) Jeff Garlin Buttercup (voice) Bonnie Hunt Dolly (voice) Whoopi Goldberg Stretch (voice) Jack Angel Chunk (voice) John Cygan Twitch (voice) Jan Rabson Sparks (voice) Laurie Metcalf Andy's Mom (voice) Lori Alan Bonnie's Mom (voice) R. Lee Ermey Sarge (voice) Teddy Newton Chatter Telephone (voice) Richard Kind Bookworm (voice) Bud Luckey Chuckles (voice) Javier Fernández-Peña Spanish Buzz (voice) Erik von Detten Sid (voice) Carlos Alazraqui Additional Voices (voice) Teresa Ganzel Additional Voices (voice) Jess Harnell Additional Voices (voice) Danny Mann Additional Voices (voice) Mickie McGowan Additional Voices (voice) Laraine Newman Additional Voices (voice) Colleen O'Shaughnessey Additional Voices (voice) Bob Peterson Additional Voices (voice) Jerome Ranft Additional Voices (voice) Lee Unkrich Additional Voices (voice) Colette Whitaker Additional Voices (voice) Leo Jergovic Children (voice) Aramé Scott Children (voice) Godfrey Gao Ken (voice) Sherry Lynn (voice) (uncredited) Jim Ward (voice) (uncredited) Frank Welker Bullseye / Buster / The Monkey / Pigeon (voice) (uncredited)