He has worked with Darren Lynn Bousman, who directed the films in the Saw series, on six projects; Identity Lost, Butterfly Dreams, Saw III, Repo!

The Genetic Opera, in which J. Larose played the Vanity and Vein reporter who interviews Rotti Largo about Zydrate addiction.

However, he made his Hollywood film debut in a much smaller role as Troy, a helpless victim of Jigsaw in Saw III.

A new commentary track with Darren Lynn Bousman and J. Larose was included on the Director's Cut DVD of Saw III.

LaRose plays The Major[1] in The Devil's Carnival, a 2012 film from Darren Lynn Bousman and Terrance Zdunich.