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) Jack Angel Chunk (voice) Laurie Metcalf Andy's Mom (voice) R. Lee Ermey Sarge (voice) Erik von Detten Sid (voice) Jess Harnell Additional Voices (voice) Danny Mann Additional Voices (voice) Mickie McGowan Additional Voices (voice) Bob Peterson Additional Voices (voice) Jerome Ranft Additional Voices (voice) Sherry Lynn (voice) (uncredited) Frank Welker Bullseye / Buster / The Monkey / Pigeon (voice) (uncredited)