Woody Harrelson
Arthur Poppington / Defendor
Kat Dennings
Katrina Debrofkowitz
Clark Johnson
Roger Fairbanks
Kristin Booth
Wendy Carter
A.C. Peterson
Radovan Kristic
David Gardner
Grandpa Henry
Bryan Renfro
Mr. Debrofkowitz
Charlotte Sullivan
Poppington
Graham Abbey
Constable Mike
James Preston Rogers
Biker Bob
Dakota Goyo
Jack Carter - 9
John Paul Ruttan
Jack Carter - 4