Kaitlin Olson is the heroine, playing Mackenzie "Mickey" Murphy, a woman who lives in poverty, speaks rudely, and never leaves her cigarette. Because her wealthy sister fled the United States to avoid federal prosecution, she had to move to Greenwich, Connecticut to take care of her sister's spoiled children. She soon learned something that everyone knew: other people's children are naughty. Sofia Black D'Elia plays Sabrina, the oldest child in Mickey's care. Thomas Barbusca plays Chip, a 12-year-old boy who is very confident and mature, but looks like he deserves a beating. Jack Stanton plays Ben, the youngest child. Carla Jimenez plays Alba, the housekeeper of Micky's sister's house, and is very good friends with Micky. Susan Park plays Liz.