CSI’s Larry Sullivan has been cast as Sarah Palin’s deputy chief of staff Chris Edwards, while Trauma’s Jamey Sheridan has nabbed the part of John McCain’s speechwriter and senior campaign advisor Mark Salter. Temple Grandin’s Melissa Farman will play Bristol Palin.

A Playtone Production in association with Everyman Pictures, Game Change centers on McCain’s 2008 presidential campaign, from his controversial selection of Palin to his defeat in the general election.