Michelle V. Rafter covers business and workplace issues for a variety of national publications. She is based in Portland, Oregon. This article originally appeared on SecondAct.com. The views expressed are her own. –

After Charlie Sheen publicly lambasted the executive producer and others involved in his top-rated TV comedy Two and a Half Men last week, CBS shut down production for the rest of the season. The announcement came days before the show’s cast was scheduled to go back to work following the 46-year-old star’s stint in rehab.

Now Sheen is threatening to sue and demanding a raise to a reported $3 million per episode, and it’s hard to say how or when the melodrama will end.

But one thing is clear: although Sheen’s made hundreds of millions for the network, the actor has become the ultimate bad employee, the loosest of loose cannons whose public pontifications are as unpredictable and over-the-top as his behavior.

In that regard, he’s a great example of what not to do at work. Companies don’t have to be in the entertainment business to value superstars, especially if they add substantially to the bottom line. But that doesn’t give high-profile employees permission to badmouth or otherwise harass colleagues or managers.