Willa Holland: Willa Holland. Actress: Legion. Willa Joanna Chance Holland (born June 18, 1991) is an American actress, voice actress and model. She is known for her role as Kaitlin Cooper in the FOX teen drama The O.C., Agnes Andrews in The CW series Gossip Girl and, most recently, Thea Queen / Speedy in Arrow. Holland was born in Los Angeles, to cinematographer Keith Holland and actress Darnell Gregorio-De Palma. Her mother...
