Susanna Thompson is an American actress. She’s been acting since the early 1990s. She debuted in an episode of Silk Stalkings. She later had one-time roles in such television shows as Star Trek: The Next Generation, The X-Files, and Dr. Quinn, Medicine Woman, among others. As a film actress, her first role in a major project was in 1994’s When a Man Loves a Woman. She next performed in the films Little Giants, Ghosts of Mississippi, and Random Hearts. From 1999 to 2002, she also became known for her role as Karen Sammler in the ABC series Once and Again. He next starred as Judith Webster in The Book of Daniel and Queen Rose Benjamin in Kings. Thompson is also best known for her role as Moira Queen in Arrow.