He is best known for starring as Rowley Jefferson, Greg Heffley's best friend, in the first three installments of the Diary of a Wimpy Kid film series.

More recently, Capron is known for starring as Mason in the drama series Elementary, and as David Lewan in the film The Polka King.

Capron started off with a role in Bride Wars, and later had small parts in Hachiko: A Dog's Story and the Disney film, The Sorcerer's Apprentice.

He graduated from Brown University in 2020 with a bachelor's degree in modern culture and media/history.

[5] During spring 2019, he attended Fordham University's London Dramatic Academy Program.