In what is perhaps Green's most infamous role to date, she plays the twin sister Isabelle of Louis Garrel's Théo. The film earned an NC-17 rating for its graphic depiction of the sexual relationship between the siblings and Michael Pitt's Matthew, an American exchange student staying with them, who begins a relationship with Isabelle. Photo courtesy Fox Searchlight Pictures.
In 300: Rise of an Empire (2014), the follow-up to 2007's 300, Green plays a vengeful naval commander named Artemisia who seduces Athenian general Themistocles. Photo courtesy Warner Bros. Pictures.
The Sundance-approved 2011 film Perfect Sense features a steamy scene between Green's character, an epidemiologist named Susan, and Ewan McGregor's character Michael, a chef. Photo courtesy IFC Films.
In the Robert Rodriguez and Frank Miller-directed 2014 follow-up to Sin City, Green plays the titular "Dame to Kill For." Photo courtesy Dimension Films.
Though White Bird in a Blizzard (2014) is now best known as Shailene Woodley's breakout moment, it also features a series of flashbacks in which Green, who plays Woodley's mother, explores her sexuality as she ages. Photo courtesy Magnolia Pictures.
For Tim Burton's 2012 horror-comedy Dark Shadows, Green and Johnny Depp share a night of undead vampire sex. Photo courtesy Warner Bros. Pictures.
Green has starred in Showtime's Penny Dreadful since 2014; a recurring theme is her character Vanessa Ives's inexorable attraction to Reeve Carney's Dorian Gray, based on the Oscar Wilde character of the same name. Photo courtesy Showtime.