Oh No: Zachary Levi Signs On for Chipmunks "Squeakquel" It's not often that I see casting news that makes me feel a sense of dread. Typically, I try to keep an open mind — but not this time, folks. Because, you see, Zachary Levi has been cast as the human lead in the Alvin and the Chipmunks sequel. Oh, I'm sorry. I mean Squeakquel.