Grant Masters (born 2 January 1965) is an English actor and comedian who formerly played the role of Martin Campbell in the Channel 4 teen Soap Opera Hollyoaks. He also played Dan in Casualty. He has also starred as DI Glenn Mateo in the third series of Thief Takers and has had minor roles in programmes such as The Bill, Doctors, Peak Practice and EastEnders, as well as several British television sitcoms. He also appears on Mr.Bean, where he plays as the bully on the episode: Tee Off, Mr. Bean.