"He's really, really smart, and he's getting his master's at Harvard right now. He said, 'Oh God, no, I haven't acted since I was 9 or something. So I'm not into it.' "Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer​​,

The “Malcolm in the Middle” revival series will see Frankie Muniz, Bryan Cranston, Jane Kaczmarek, Christopher Masterson and Justin Berfield reprising their roles as the Wilkerson family - but Erik Per Sullivan will not be returning as Dewey,

Although Frankie Muniz's titular pubescent in 'Malcolm in the Middle' was the genius of the family, it was the youngest who actually went Ivy League.