Dad: Stephen Dillane
Son: Frank Dillane
Frank Dillane got his showbiz break playing 16-year-old Tom Riddle (a.k.a. Voldemort) in "Harry Potter and the Half-Blood Prince," but he's practically grown up in the industry as the son of veteran actor Stephen Dillane, who may be best known as Stannis Baratheon on "Game of Thrones." The two actors appeared on-screen together in the 1997 movie "Welcome to Sarajevo." —XFINITY Entertainment Staff (Photo by Frederick M. Brown, Tim P. Whitby/Getty)
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