Mason Cook (born July 25, 2000) is an American teen actor. He played Cecil Wilson in the 2011 film Spy Kids: All the Time in the World.

Early life

Cook is from Oklahoma City. He attended Nichols Hills Elementary School. He enjoys BMX-biking and skateboarding. He has three siblings: Lilly, Lane and Georgia.


Cook's first professional work was on television, on the sitcom According to Jim and the drama Grey's Anatomy.

Cook's most prominent film role is his portrayal (at age 11) of Cecil Wilson in Spy Kids: All the Time in the World, for which he was nominated for the Young Artist Award for Best Performance in a Feature Film – Supporting Young Actor in 2011. He performed the minor recurring character Corey on the sitcom The Middle for several years

Cook's father, Ted Elston, is his manager.


2008According to JimConcert AttendeeEpisode: "Chaperone"
2009Grey's AnatomyCaseyEpisode: "New History"
2009–2013The MiddleCoreyBrick Heck's friend, 20 episodes
2011The Indestructible Jimmy BrownEddie Baxter
2011Spy Kids: All the Time in the WorldCecil Wilson
2011Criminal MindsBobby SmithEpisode: "From Childhood's Hour"
2011VictoriousHarry (uncredited)Episode: "The Diddly-Bops"
2012Treasure BuddiesPete Howard
2012The Cleveland ShowMexican BoyEpisode: "There Goes El Neighborhood"
2012Mockingbird LaneEddie Munster
2013The Incredible Burt WonderstoneYoung Burt
2013The Lone RangerWill
2014LegendsAiden OdumRecurring character; 7 episodes
2014R.L. Stine's The Haunting HourBoEpisode: "Grandpa's Glasses"
2015If There Be ThornsBart SheffieldTV movie
2015Steven UniverseYoung LarsEpisode: "Horror Club"
2015GrimmPeterEpisode: "Lost Boys"
2016SpeechlessRay DiMeoMain Role