Diary of a Wimpy Kid" movie cast list consists mostly of child actors. However, the movie sprinkles in some fantastic adult actors to balance things out. "Diary of a Wimpy Kid" takes viewers into the life and mind of Greg, an up-and-coming sixth-grader with no clue as to how to become popular. This is a big part of what makes this movie so fun to watch.
Playing the lead character, Greg, in "Diary of a Wimpy Kid," Zackary Gordon is perfectly cast as the little leading man. One of the best young actors plays Greg with a humurous innocence that audiences of all ages can relate to.
As the goofy sidekick, Rowley, Robert Capron adds more and more humor to "Diary of a Wimpy Kid." His chubby body comes into play a few times and gives more depth to the issues surrounding being a sixth grader. Robert Capron added his acting abilities to the sequel of "Diary of a Wimpy Kid" but was also cast in "The Sorcerer's Apprentince" as Young Dave's Pal.