Billions star Maggie Siff likes to joke that her TV career has made her "the queen of toxic masculinity"

The Cut

Siff points out her Mad Men and Sons of Anarchy characters both met untimely ends. When it comes to Billions, she says, “I’ve told the guys, ‘You are not allowed to kill me off.’” Siff has become a fan-favorite on the Showtime series, described recently as “the most villainous villain on Billions.” “I play with her stillness because she sits and listens, and she listens in a way that is kind of supposed to make people squirm a bit," says Siff. ALSO: Everyone vapes on Billions.