The ABC sitcom “Shifting Gears” has finally cast Tim Allen’s son.

There have been mentions of Matt Parker’s (Allen) Navy hero son Sam on “Shifting Gears,” but viewers have never seen him in person. That will change later this season when Luke Macfarlane joins the cast as Sam.

Macfarlane is known for playing Scotty Wandell on the ABC television drama “Brothers & Sisters” from 2006-2011. His other past roles include the 2022 movie “Bros,” the Canadian TV series “Killjoys” and Hallmark Channel films including “Catch Me If You Claus” and “Notes of Autumn.”

Luke Macfarlane. Vianney Le Caer/Invision/AP

Season 2 of “Shifting Gears” premiered in October. The series follows Matt Parker, an auto restoration shop owner who reluctantly takes in his estranged, newly-divorced daughter Riley (Ka

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