A determined Michael convinces Jack and several castaways to help him rescue Walt from "The Others." With Jack away, Locke is left in charge of the hatch and must decide if he should believe Henry and not push the button, risking everyone's safety. Meanwhile, the events that happened to Michael after he left are finally revealed. Meanwhile, Charlie struggles with Eko's decision to discontinue building the church.
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 .