Leighton Meester joins the cast of 'The Buccaneers' for season 2 — and her character has more surprises than audiences might have suspected.

The actress, 39, joins season 2 of the period drama as Nell, who is quickly revealed to be Nan St. George's (Kristine Frøseth) real mother in the premiere, which is now streaming on Apple TV+. For Meester,

Leighton Meester is playing a character with a major secret in The Buccaneers season 2, and she recently spoke about how Nell changes Nan's family.