Biography:The Welsh actor Steffan Rhodri was born and raised in Morriston, Swansea, Wales. He is best known for his work in the films "Submarine"(2010); "Harry Potter and the Deathly Hallows: Part 1" (2010); "Ironclad" (2011) and "Under Milk Wood" (2015). On television he portrayed Dave Coaches in "Gavin and Stacey".