Thor Freudenthal Director Zachary Gordon Greg Heffley Actor Robert Capron Rowley Jefferson Actor Rachael Harris Susan Heffley Actor Devon Bostick Rodrick Heffley Actor Chloë Grace Moretz Angie Steadman Actor Steve Zahn Frank Heffley Actor Connor Fielding Manny Heffley Actor Owen Fielding Manny Heffley Actor Karan Brar Chirag Gupta Actor Grayson Russell Fregley Actor Laine MacNeil Patty Farrell Actor Alex Ferris Collin Actor Andrew McNee Coach Malone Actor Belita Moreno Mrs. Norton Actor Rob LaBelle Mr. Winsky Actor Nicholas Carey Pete Hosey Actor Samuel Patrick Chu Carter Actor Donnie MacNeil Wade Actor Samantha Page Shelly Actor Jeff Filgo Screenwriter Jackie Filgo Screenwriter Gabe Sachs Screenwriter Jeff Judah Screenwriter Nina Jacobson Producer Brad Simpson Producer Jeff Kinney Executive Producer Jack N. Green Cinematographer Brent Thomas Production Design Wendy Greene Bricmont Film Editing Theodore Shapiro Original Music Monique Prudhomme Costume Design Ronna Kress Casting Coreen Mayrs Casting Heike Brandstatter Casting Shannon Grover Art Director Mary-Lou Storey Set Decoration Ethan Smith Producer