On screen
Cast
29 credited performers
Kyle Massey
Calvin Wheeler
Kay Panabaker
Emily Watson
Mitchel Musso
Raymond Figg
Carter Jenkins
Preston Price
Mark Christopher Lawrence
Calvin's Dad
Ali Durham
Kate
Judith Moreland
Calvin's Mom
Artwork unavailable
Ibrahim Abdel-Baaith
Rondel
Yolanda Stange
Rondel's Mother
Artwork unavailable
Sierra Squires
Young Girl
Artwork unavailable
Ben Hammond
Boy
Artwork unavailable
Cameron Jones
Dishwasher
Cory McMillan
A.C. Officer #1
Artwork unavailable
Magarin Lee Hobson
Leonard
Artwork unavailable
Emmit Cannon
Thrash
Artwork unavailable
Eric Deng
Miles
Artwork unavailable
Kelly Coombs
Julie
Artwork unavailable
Sean Sekino
Simon
Dan Larsen
Mr. Dudley
Artwork unavailable
Kelly Stevens
Billy
Artwork unavailable
Janice Knickrehm
School Librarian
Joel Bishop
Chuck
Heather Beers
Holly
Artwork unavailable
Reb Fleming
Dog Show Official
Artwork unavailable
Teri Cowan
Head Judge
Artwork unavailable
Jansen Davis
Older Reporter
Artwork unavailable
Kelly Chapman
Young Reporter
Artwork unavailable
Michael Todd Behrens
Father
Chester the Chihuahua
Chester (uncredited)