Jordana Beatty as Judy Moody

Parris Mosteller as James "Stink" Moody

Heather Graham as Aunt Opal

Janet Varney as Jill Moody (Mom)

Preston Bailey as Franklin "Frank" Pearl

Jaleel White as Mr. Todd

Ashley Boettcher as Jessica Finch

Taylar Hender as Amy Namey

Brian Palermo as Zombie

Kristoffer Ryan Winters as Josh Moody (Dad)

Garrett Ryan as Rockford "Rocky" Zang

Cameron Boyce as Hunter / Werewolf

Jackson Odell as Zeke

Jenn Korbee as Newscaster

Jacob Bertrand as Boy

Dean Cameron as Animated Reporter / Town Hall Official

Doug MacMillan as Trey-Paul Nevreby

Bobbi Sue Luther as Young Woman

Sarah Bibbo as Girl at Circus

Ryan Dodson as Movie Theater Employee

Sophia Strauss as Student

Hunter King as Priscilla Granger (uncredited)

Randy Masters as Uncle Matt (uncredited)

Eric Stoltz as Guy in Zombie Movie

Robert Costanzo as Herb

Richard Riehle as Ringmaster

Ryan Dodson as Movie Theater Employee (uncredited)