Jack is nearly delirious from lack of sleep and struggles to overcome the haunting events that brought him to Australia and, subsequently, to the island. Meanwhile, Boone gets caught in a treacherous riptide trying to save a woman who went out swimming. A pregnant Claire's health takes a bad turn from lack of fluids, and a thief may have stolen the last bottles of water. Veronica Hamel guest-stars as Jack's mother, Margo. Also, Jack flashes back at 12 years old, to find himself on the playground in an altercation with a bully, who ultimately beats him up, and later learns a life lesson from his father.
Elenco: Naveen Andrews , Matthew Fox , Josh Holloway , Daniel Dae Kim , Evangeline Lilly , Terry O'Quinn , Emilie de Ravin , Michael Emerson , Henry Ian Cusick , Kim Yoon-jin , John Terry , Sonya Walger , Cynthia Watros , Rebecca Mader , Fionnula Flanagan , Maggie Grace , Jeremy Davies , François Chau , L. Scott Caldwell , Ian Somerhalder , Elizabeth Mitchell , Sam Anderson , Dominic Monaghan , Zuleikha Robinson , Nestor Carbonell , Jeff Fahey , Jorge Garcia , Ken Leung , L. Scott Caldwell , M.C. Gainey , Mark Pellegrino , Michelle Rodriguez , Mira Furlan , Nestor Carbonell , Rebecca Mader , Rodrigo Santoro , Sam Anderson , Sonya Walger , Tania Raymonde , Titus Welliver , Zuleikha Robinson .