Toy Story 3 was released with Dolby Surround 7.1 sound .
The film features an ensemble voice cast with Tom Hanks , Tim Allen , Joan Cusack , Don Rickles , Wallace Shawn , John Ratzenberger , Estelle Harris , Jodi Benson , and John Morris reprising their roles from the previous films , along with Blake Clark as the voice of Slinky Dog ( because Jim Varney died ten years before the release of the film ) and Ned Beatty , Michael Keaton , Whoopi Goldberg , Timothy Dalton , Kristen Schaal , Bonnie Hunt , and Jeff Garlin voicing the new characters introduced in this film.
Toy Story 3