Andrew Davis Director, Producer Sigourney Weaver The Warden Actor Jon Voight Mr. Sir Actor Patricia Arquette Kate Barlow Actor Tim Blake Nelson Dr. Pendanski Actor Dulé Hill Sam the Onion Man Actor Shia LaBeouf Stanley Yelnats Actor Henry Winkler Stanley's Father Actor Nathan Davis Grandfather Stanley Yelnats II Actor Rick Fox Clyde "Sweet Feet" Livingston Actor Scott Plank Trout Walker Actor Roma Maffia Carla Morengo Actor Eartha Kitt Madame Zeroni Actor Siobhan Fallon Hogan Stanley's Mother Actor Khleo Thomas Zero Actor Brenden Jefferson X-Ray Actor Jake M. Smith Squid Actor Byron Cotton Armpit Actor Miguel Castro Magnet Actor Max Kasch ZigZag Actor Noah Poletiek Twitch Actor Louis Sachar Writer, Screenwriter Mike Medavoy Producer Lowell D. Blank Producer Teresa Tucker-Davies Producer Marty P. Ewing Executive Producer Louis Phillips Executive Producer Stephen St. John Cinematographer Maher Ahmad Production Design Aggie Guerard Rodgers Costume Design Thomas J. Nordberg Film Editing Jeffrey Wolf Film Editing Joel McNeely Original Music Karyn Rachtman Music Supervisor Andrew M. Cahn Art Director Gene Serdena Set Decoration Cathy Sandrich Casting Amanda Mackey Casting