Mason Cook was most recently seen in the TNT television series “Legends,” where he stars alongside Sean Bean, Ali Larter and Amber Valetta.

Cook made his television acting debut as “Casey,” a cardiac asthmatic patient on ABC’s hit series “Grey’s Anatomy” at the age of nine. In 2012, he landed the coveted lead role of “Eddie Munster” in the critically acclaimed re-imagining of cult television classic “The Munsters,” called “Mockingbird Lane.” Cook’s numerous television appearances include recurring roles on “The Middle,” “Raising Hope,” “The Goldbergs” and “New Girl.” He has also appeared on “Desperate Housewives,” “Criminal Minds,” “Hot in Cleveland,” “Victorious” and as the guest lead in an episode of the Emmy-award winning children’s series, “The Haunting Hour.”

Cook made his theatrical film debut in 2011 as “Cecil Wilson” in the highly popular family film, “Spy Kids 4: All the Time in the World” with Jessica Alba, Joel McHale and Rowan Blanchard. In 2013, he appeared in two of the most talked about summer feature films—the Walt Disney blockbuster film adaptation of “The Lone Ranger,” starring Johnny Depp and New Line Cinema’s, “The Incredible Burt Wonderstone,” where he starred alongside Steve Carell, Jim Carrey and Olivia Wilde.

Aside from acting, Cook enjoys skateboarding, surfing, soccer and video games. He is a member of the Generation On Celebrity Youth Council helping unite Hollywood youth in charitable service.

Cook currently resides in Los Angeles.