After honing her craft in British theatre, Dormer landed a substantial supporting role in “Casanova” (2005), a romantic comedy about the life and times of the world’s most famous lover (Heath Ledger). She next played a young heiress who gets involved with Detective John Rebus (Ken Scott) in the third instalment of the acclaimed BBC series, “Rebus: The Falls” (2006), before portraying Anne Boleyn, the doomed second wife of King Henry VIII (Jonathan Rhys Meyers) in Showtime’s lavish and expansive 10-part series, “The Tudors” (2007- ).