"True Blood's" Joe Manganiello, a Mt. Lebanon High School grad, has signed on to guest star on "Two and a Half Men" this season, Entertainment Weekly reports.
Manganiello, who will appear in the Oct. 24 episode, will play a hunky rival of Ashton Kutcher's Walden Schmidt.
He's the new boyfriend of Walden's ex-wife, Bridget, played by Judy Greer.
