Joss Whedon has rounded out the cast of his Fox pilot “Dollhouse,” adding thesp Harry Lennix (“24”) to the pilot.Pilot is from 20th Century Fox. Character is an ex-cop who serves as a guard/bodyguard for Echo (Eliza Dushku). Lennix’s credits also include “Across the Universe” and “Stomp the Yard” on the features side, and “Commander in Chief” and “House” on the small screen. Separately, Jerry O’Connell, recently seen in “Carpoolers,” is set to star in “The Inn” for Fox. He’ll play the manager of a hip New York hotel.