Brian has appeared in the Trailer Park Boys franchise twice. The first was in a deleted scene in season three, where the boys help him with his car.
His second appearance was in Trailer Park Boys: The Movie where he was credited as 'Randy's $15 John'.
Vollmer also appeared on stage with the boys during the Hamilton, Ontario performance of their second live show on March 8, 2010. His season 3 deleted scene can only be watched if you buy Trailer Park Boys: Season 3 on DVD and watch the deleted scenes his being the most popular of the deleted ones from that Season. It was not clear who Randy's $15 John was but it was paid by Brian Vollmer but Randy seemed to know him from the past as well as the rest of the boys.