Michael Muhney

The Mustache will soon call a new lad "son."

Michael Muhney, whom Veronica Mars fans will remember as Sheriff Lamb, is taking over the role of The Young and the Restless' charming-yet-shady Adam Wilson, TVGuide.com has learned exclusively.

Muhney's first air date on CBS' top serial is Thursday, June 25. He replaces Chris Engen, who has filled the role since February 2008.