Tricia Helfer

Former Battlestar Galactica star Tricia Helfer will make an appearance on the CBS' Two and a Half Men, TVGuide.com has confirmed.

Watch full episodes of Two and a Half Men

As first reported by Entertainment Weekly, Helfer will play a pal of Charlie's (Charlie Sheen) fiancé Chelsea (Jennifer Bini Taylor). When Chelsea finds out that her friend is recovering from a breakup, she says she should do so at the boys' house. You can bet they'll love that.

Helfer's episode airs Nov. 16 at 9/8c on CBS.