By Christine Spines
Updated July 17, 2009 at 04:20 AM EDT

Teen actor Jamie Waylett, who plays Vincent Crabbe in the Harry Potter movies, admitted to growing marijuana in a London court, the AP reports. Police reportedly found eight bags of pot during a search of a car in which the 19-year-old Waylett was riding. By pleading guilty to producing cannabis, Waylett faces a maximum of 14 years in jail. He’s due to be sentenced on July 21.