Tom Hanks as Woody , Tim Allen as Buzz Lightyear , Don Rickles as Mr. Potato Head , Jim Varney as Slinky Dog , Wallace Shawn as Rex , John Ratzenberger as Hamm , Annie Potts as Bo Peep , John Morris as Andy Davis , Erik von Detten as Sid Phillips , Laurie Metcalf as Mom , R. Lee Ermey as Sarge , Sarah Freeman as Hannah Phillips and Penn Jillette as TV Announcer.