When Diary of a Wimpy Kid reached theaters on March 19, 2010, its young cast looked exactly like the kids Jeff Kinney’s readers imagined roaming the halls of middle school.

Zachary Gordon was Greg Heffley, convinced popularity was always one clever scheme away. Robert Capron was his relentlessly cheerful best friend Rowley Jefferson. Devon Bostick terrorized Greg as older brother Rodrick, while Karan Brar, Grayson Russell and Chloë Grace Moretz helped fill a school world built around embarrassing parents, friendship disasters and the dreaded Cheese Touch.

Sixteen years later, those children are adults — and their lives have gone in remarkably different directions.

Some remained actors. One became part of an Oscar-winning blockbuster. Several found new careers in music, writing or theater. And two of the actors forever linked as Greg and Rowley even reunited as grown men, giving longtime fans a striking reminder of just how much time had passed.

Zachary Gordon — Greg Heffley

Zachary Gordon was only 12 when audiences met him as Greg, the ambitious but frequently misguided middle-schooler at the center of the story.

Gordon returned for Diary of a Wimpy Kid: Rodrick Rules in 2011 and Dog Days in 2012, completing the original live-action trilogy alongside many of the same young actors. The series eventually replaced its cast for 2017’s The Long Haul because the original performers had aged beyond their characters.

Gordon continued acting after leaving Greg behind, with credits including Dead of Summer and Good Trouble, while also building an extensive voice-acting résumé.

More recently, another side of his career has become increasingly important: music. Gordon has released his own songs and performed live, while remaining surprisingly comfortable with the role that made him famous. In 2025, he even joked after noticing a passenger several rows ahead of him watching Diary of a Wimpy Kid during a flight.

Rather than trying to erase Greg Heffley from his past, Gordon appears to have embraced the nostalgia surrounding him.

Robert Capron — Rowley Jefferson

If Greg was always worrying about what other people thought, Rowley rarely seemed bothered.

Robert Capron’s cheerful performance made Greg’s best friend one of the franchise’s most beloved characters. He played Rowley throughout the original three-film run, but his life after Wimpy Kid became considerably more complicated than his childhood success suggested.

Capron later spoke candidly about the effect Hollywood’s focus on his childhood body had on his self-image. After losing weight, he found that the types of roles available to him changed as well. His experience eventually became part of a broader discussion about how entertainment-industry stereotypes can affect child performers.

He gradually moved away from pursuing acting full-time.

Capron attended Brown University, graduating in 2020, and shifted toward writing and production. His later work has included serving as a writer’s assistant on Disney+’s The Muppets Mayhem and developing screenwriting projects.

In July 2026, photographs marking his 28th birthday drew widespread attention because of how dramatically different the adult Capron looks from the round-faced Rowley audiences remember.

But one of the sweetest connections to the movies remains intact: his real-life mother, Kaye Capron, played Rowley’s mother on screen. Capron has said she would like them to recreate their memorable mother-son dance from the film at his future wedding.

Devon Bostick — Rodrick Heffley

For many fans, there has only ever been one Rodrick.

Canadian actor Devon Bostick was already older than much of the central cast when he played Greg’s lazy, sarcastic, heavy-metal-loving brother. His performance became especially important in Rodrick Rules, which focused heavily on the brothers’ chaotic relationship.

Bostick continued acting steadily after the trilogy.

He spent several seasons playing Jasper Jordan on the CW science-fiction drama The 100. Years later, he appeared in Christopher Nolan’s Oppenheimer, the 2023 historical drama that became a major critical and commercial success and ultimately won the Academy Award for Best Picture.

His recent work has included All That We Love and projects such as Mile End Kicks. He has also expanded creatively behind the scenes, co-writing a feature project with actor Cody Fern.

The teenager who once screamed at Greg from behind a drum kit managed one of the original cast’s most durable adult acting careers.

Karan Brar — Chirag Gupta

Karan Brar was still in elementary school when he auditioned for Chirag Gupta, competing among thousands of young performers.

After appearing in all three original movies, Brar quickly found another defining role.

He became Ravi Ross on Disney Channel’s Jessie and later continued the character on Bunk’d, making him familiar to an entirely new television audience. His film credits eventually included Pacific Rim: Uprising, Stargirl and Queens of the Dead.

His adulthood has included far more personal changes as well. Brar has written publicly about grief, depression and his mental health following the death of his close friend and Jessie costar Cameron Boyce, describing the difficult process of reaching a healthier place.

By 2026, Brar had also expanded into stage work, adding another dimension to a career that began with a tiny middle-schooler constantly frustrated that people could not remember his name.

Grayson Russell — Fregley

Few characters in the first movie were more gloriously strange than Fregley.

Grayson Russell played Greg’s socially awkward classmate with an intensity that made even relatively short scenes memorable. He returned in both Rodrick Rules and Dog Days.

Russell continued appearing on screen but increasingly turned his attention toward another childhood interest: music. He has pursued work as a musician while acting more selectively, making his path one of the clearest examples of a former child star choosing a creative life outside the traditional Hollywood trajectory.

Chloë Grace Moretz — Angie Steadman

Chloë Grace Moretz appeared only in the first Diary of a Wimpy Kid film as Angie Steadman, an older student who gives Greg advice about surviving middle school.

Her career was about to explode.

The same year, Moretz attracted major attention as Hit-Girl in Kick-Ass. She subsequently became one of the most prominent young actresses of her generation, starring in projects including Hugo, Carrie, If I Stay, The Equalizer, The Miseducation of Cameron Post and The Peripheral. Her brief appearance in Wimpy Kid now feels like a snapshot taken just before widespread fame arrived.

Steve Zahn and Rachael Harris — The Heffley Parents

The children naturally changed most visibly, but Greg’s parents were played by two performers who already had established careers.

Steve Zahn brought exhausted comic energy to Frank Heffley, while Rachael Harris played the relentlessly involved Susan. Both returned for the original sequels and continued long acting careers across film and television.

Their presence helped give the first trilogy something the later adaptations could not reproduce exactly: the chemistry of a cast that audiences watched grow together over three consecutive years.

Why the Original Cast Still Feels Special

The Diary of a Wimpy Kid universe never disappeared.

Jeff Kinney’s books have grown into a publishing phenomenon exceeding 300 million copies in print, while Disney has continued the franchise through animated movies.

But the 2010 cast occupies a particular place in the memories of viewers who grew up alongside them.

That became obvious when Jeff Kinney reunited Gordon and Capron in 2024. Greg and Rowley were no longer children carrying backpacks through middle-school hallways. They were men in their mid-20s, smiling together more than a decade after the films changed both of their lives.

The contrast is what makes looking back at Diary of a Wimpy Kid so powerful.

Greg wanted desperately to grow up and become important. Rowley seemed perfectly happy being himself. Rodrick dreamed of rock stardom. Their classmates worried about popularity, embarrassing moments and surviving another school day.

The actors eventually did grow up.

And for the audience that grew up watching them, seeing who they became can make 2010 suddenly feel much farther away than expected.