The Homeland star is used to her American tradition of opening presents as soon as the family wakes up and has a hard time waiting until the evening, like Dancy's family does.

"We tend to celebrate Christmas with his family... and they're quite English," she tells late night host Jimmy Fallon. "They have that English discipline and reserve. So they, like, open their stockings and then they make their lunch and you have your lunch and it's like (night time) before you open the presents. It takes forever; I don't think we're going to be able to withstand that."