The actor-musician hybrid is a tricky thing. It's a road peppered with the long-decomposed carcasses of Russell Crowe, Eddie Murphy and heaven forbid, David Hasselhoff.

Thomas Ian Nicholas

"Without Warning"

As a fresh-faced mop top in 1992's Rookie of the Year, Thomas Ian Nicholas was destined for a career of Tony Danza-dom. Known to the vast majority of Americans as Kevin from the American Pie flicks, who knew that Nicholas had visions of hypersensitive John Mayer-warbling beating around in his thickly trussed head?

On his latest release, "Without Warning," Nicholas a...