Gene Maddaus Senior Media WriterActor Kevin Connolly has denied a report in the Daily Beast that he sexually assaulted a costume designer at a wrap party in 2005.The outlet reported Wednesday that Gracie Cox alleges that Connolly led her into a VIP area during the party for “Gardener of Eden” and sexually assaulted her.Connolly, best known for her role on HBO’s “Entourage,” is represented by Martin Singer.