By Jennifer Armstrong
Updated July 21, 2009 at 06:14 PM EDT

Jamie Waylett, who plays Harry Potter bully Vincent Crabbe, must serve 120 community service hours after admitting to growing 10 cannabis plants in his mother’s London home, BBC News reports. The 20-year-old was sentenced in the Westminster Magistrates Court. He was arrested earlier this month after police found pictures of the plants on his camera after stopping him for taking snapshots of officers while driving past.