Biography: ​Morgan York (born January 18, 1993) is an American actress. When she was 18 months old, she accidentally fell into a ThermoScan Ear Thermometer commercial. She stopped acting for a while after that but then was cast in the part of Kim Baker in the box-office hit, Cheaper by the Dozen (2003). In 2004 York booked the role of LuLu Plummer in "The Pacifier" along with Vin Diesel and Brittany Snow. In July of 2005 she once again portrayed Kim Baker in "Cheaper By The Dozen 2." She has a recurring role as Sarah on the hit Disney Series, Hannah Montana. York has two siblings, a sister named Wendy and a brother named Thomas, and is very close with both of them.