Kat Dennings, Daryl “Chill” Mitchell, Maxwell Simkins and Barrett Margolis also star in the sitcom Seann William Scott (Credit: Amy Sussman/Getty Images) Seann William Scott has boarded ABC’s upcoming comedy series, “Shifting Gears.” Scott will join series lead Tim Allen, as well as Kat Dennings, Daryl “Chill” Mitchell, Maxwell Simkins and Barrett Margolis in the new sitcom. Scott’s casting comes months after “Shifting Gears” was ordered to series by ABC after initially receiving a pilot order