Josh Herdman is an English actor known for his roles in the Harry Potter films as Gregory Goyle.
For the second film he is notable for having played Harry Potter operating under the guise of Goyle’s appearance. He had no speaking lines in that capacity, instead being voiced over by Daniel Radcliffe. He appeared in all eight existing movies. He has also appeared in one episode of The Crust and one episode of The Bill.
He was also in the 2002 film Thunderpants with fellow Harry Potter actor Rupert Grint, playing the role of the bully Damon, and he appeared in a supporting role in the BBC’s interactive drama series UGetMe.