Jerry O'Connell and Mason Cook in Mockingbird Lane (2012)

Portia de Rossi and Mason Cook in Mockingbird Lane (2012)

Kyla Kenedy and Mason Cook in Speechless (2016)

Kyla Kenedy, Mason Cook, and Micah Fowler in Speechless (2016)

John Ross Bowie, Kyla Kenedy, and Mason Cook in Speechless (2016)

Minnie Driver, Kyla Kenedy, and Mason Cook in Speechless (2016)

John Ross Bowie, Kyla Kenedy, Mason Cook, and Micah Fowler in Speechless (2016)

Minnie Driver, John Ross Bowie, Cedric Yarbrough, Kyla Kenedy, Mason Cook, and Micah Fowler in Speechless (2016)

Jessica Alba, Joel McHale, Mason Cook, and Rowan Blanchard in Spy Kids 4: All the Time in the World (2011)

Heather Graham, Rachael Carpani, Mackenzie Gray, Jason Lewis, and Mason Cook in If There Be Thorns (2015)

Mason Cook and Rowan Blanchard at an event for Spy Kids 4: All the Time in the World (2011)

Mason Cook at an event for Spy Kids 4: All the Time in the World (2011)

Mason Cook at an event for Flipped (2010)

Jessica Alba, Joel McHale, Mason Cook, Rowan Blanchard, Belle Solorzano, and Genny Solorzano in Spy Kids 4: All the Time in the World (2011)

From L to R : Mason Cook (Will Vancamp), John Brotherton (Dave Gabriel), Izabela Vidovic (Ally Vancamp) and Summer Glau (Christine Prancer) decorate  a big Christmas three with  old family ornaments and lights.