John C. Reilly character Larten Crepsley
Josh Hutcherson character Steve
Chris Massoglia character Darren Shan
Patrick Fugit character Evra the Snake Boy
Salma Hayek character Madame Truska
Jessica Carlson character Rebecca
Michael Cerveris character Mr. Tiny
Ray Stevenson character Murlaugh
Morgan Saylor character Annie
Don McManus character Mr. Shan
Ken Watanabe character Mr. Tall
Orlando Jones character Alexander Ribs
Frankie Faison character Rhamus Twobellies
Willem Dafoe character Gavner Purl
Kristen Schaal character Gertha Teeth
Patrick Breen character Mr. Kersey
Tom Woodruff Jr. character Wolfman
Jane Krakowski character Corma Limbs
Drew Rin Varick character Loaf Head
Colleen Camp character Mrs. Shan
Lo Graham character Student in Hallway and Classroom
Beau Holden character Trucker
Trey Burvant character Singing Dad
Daniel Newman character Pete
