'Shifting Gears' follows Matt, the stubborn, widowed owner of a classic car restoration shop. When his estranged daughter, Riley, and her kids move into his house, the real restoration begins. 'Shifting Gears' stars Tim Allen as Matt, Kat Dennings as Riley, Seann William Scott as Gabriel, Daryl Chill Mitchell as Stitch, Maxwell Simkins as Carter and Barrett Margolis as Georgia.