The bearded Ciaran Hinds is a veteran stage actor with more than 90 theater credits to his name. In addition, he has appeared in dozens of TV and film roles, including that of Aberforth Dumbledore in the final two "Harry Potter" movies. He was recently seen in theaters in the 2015 film "Hitman: Agent 47." —XFINITY Entertainment Staff (Photo: HBO, Jerod Harris/Getty)
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