Jason Isaacs showed all on Sunday's new hour, sparking some hilarious reaction memes on social media ... and out of costar ...

Isaacs said he told the hair and makeup team he 'wouldn't want his hair like a Muggle' - enter the world of the long flowing ...

The veteran actor, who played Lucius Malfoy in six of the eight Harry Potter films, opened up about his shocking full-frontal ...

I just remember thinking, ‘I’ve got to go big — go big or go home.’ And then when things happen that I can’t talk about ...

A "Harry Potter" star had a strong vision for his character, one that took the director and the costume department by ...

During the Sunday, March 9, episode of the HBO anthology series, Timothy Ratliff (Jason Isaacs) gets high on his wife ...

There was like a tinfoil wig that you buy at the gas station,” Isaacs told us. “I said, ‘Can I borrow that?’ ” ...

When it comes to the Harry Potter franchise, there are very few looks that remain as iconic as Lucius Malfoy’s. From his long ...

Jason Isaacs’ character Timothy Ratcliff is a pressure cooker right now, as he keeps mad secrets from his family across the ...

Harry Potter fans agree Voldemort is the franchise's standout villain, but the films also fleshed out worthy contenders; ...

Lucius Malfoy actor Jason Isaacs recalls the origins of his character’s design in Harry Potter, revealing that it was ...