On the operating table, Ben's life is in Jack's hands, but the doc's gambit to free Kate and Sawyer hits a geographical snag. Still, the runaways elude Danny and the other guards, with the help of unlikely allies. Flashbacks follow Juliet's medical career, which has a very personal component to it. Rachel: Robin Weigert. Ethan: William Mapother. Edmund: Zeljko Ivanek. Alpert: Nestor Carbonell.
Source: TV Guide Online