Meet the new Weasley children. With shooting on HBO’s “Harry Potter” series now in full swing at Warner Bros.’ Leavesden Studios in the U.K., the casting for four of Ron Weasley’s siblings — Fred, George,

Harry Potter fans are seeing red — and a lot of it — as HBO has just announced the casting of four more pivotal characters for its upcoming live-action series adaptation of the boy wizard’s story. HBO on Tuesday revealed the actors playing Ron Weasley’s brothers and sister: Tristan Harland as Fred,