The bad news: the return of Samantha Who? continues to be delayed in favor of expanded episodes of The Bachelor.

The good news: Angie Harmon is joining the cast on the sitcom!

Sources confirm to Michael Ausiello of Entertainment Weekly that the former Women's Murder Club star has been cast in the potentially recurring role of Gigi, the infamous (and insane) ex-wife of Sam's current boy toy, Funk.

Reportedly, Harmon's character plays a critical role in the show's mythology. When will she premiere?

In the the show's season finale. When will that be? ABC has not announced a date yet.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.