Alyssa Milano has signed on to co-star with Dallas Roberts and Debby Ryan in the television pilot "Insatiable." Deadline.com reported Milano's casting in The CW project, which was created by "Dexter" co-executive producer Lauren Gussis, Ryan Seacrest Productions, Storied Media Group and CBS TV Studios. Set in the world of beauty pageants, the potential series follows Roberts' character Bill, a former lawyer, now beauty-pageant coach. Milano plays his ambitious wife Coralee, TVGuide.com said. Milano, 44, is best known for her work in the TV shows "Who's the Boss?," "Charmed" and "Mistresses."