Jon Poll Director Anton Yelchin Charlie Bartlett Actor Robert Downey Jr. Principal Gardner Actor Hope Davis Marilyn Bartlett Actor Kat Dennings Susan Gardner Actor Tyler Hilton Murphy Bivens Actor Mark Rendall Kip Crombwell Actor Dylan Taylor Len Arbuckle Actor Megan Park Whitney Drummond Actor Jake Epstein Dustin Lauderbach Actor Jonathan Malen Jordan Sunder Actor Derek McGrath Supt. Sedgwick Actor Stephen Young Dr. Stan Weathers Actor Ishan Davé Henry Freemont Actor David Lawrence Brown Officer Hansen Actor Eric Fink Thomas Actor Noam Jenkins Dean West Actor Lauren Collins Kelly Actor Gustin Nash Writer Sidney Kimmel Producer David Permut Producer Baron Kidd Producer Jay Roach Producer William Horberg Executive Producer Jennifer Perini Executive Producer Trish Hofmann Executive Producer Bruce Toll Executive Producer Paul Sarossy Cinematographer Alan Baumgarten Film Editing Christophe Beck Original Music Tamara Deverell Production Design Joshu de Cartier Art Director Zeljka Alosinac Set Decoration Luis Sequeira Costume Design David Rubin Casting Richard Hicks Casting Robin D. Cook Casting