Brooke D'Orsay (born February 17, 1982) is a Canadian actress from Ontario. In Two and a Half Men, she played Kate in season 10 and also played Robin in season 4. She is best known for her roles as Caitlin Cooke on the animated Canadian series 6teen and Brooke Mayo on King's Ransom. For American audiences, she is better known as Paige Collins on Royal Pains. She was recently in the Nickelodeon movie The Boy Who Cried Werewolf as Paulina Von Eckberg.