Who are the actors in zathura?

Here are the main actors in the movie "Zathura":

* Josh Hutcherson as Walter

* Jonah Bobo as Danny

* Kristen Stewart as Lisa

* Dax Shepard as "Astronaut" (voice)

* Tim Robbins as "Alien" (voice)

* Patrick Stewart as "Robot" (voice)

The film also features a number of other actors in supporting roles.