Diary of a Wimpy Kid (film) A Disney+ original animated film from 20th Century Animation and Bardel Entertainment, released under the Disney banner. Greg Heffley is a scrawny but ambitious kid with an active imagination and big plans to be rich and famous—he just has to survive middle school first. To make matters worse, his best friend, Rowley, seems to coast through life and succeed at everything without even trying. As details of his attempts to fit in fill the pages of his journal, Greg learns to appreciate true friends and the satisfaction that comes from standing up for what is right. Digitally released December 3, 2021. 56 min. Directed by Swinton Scott. Voices include Brady Noon (Greg Heffley), Ethan William Childress (Rowley Jefferson), Chris Diamantopoulos (Frank Heffley). Based on the first book in the series by Jeff Kinney.