'One of Us' by Carlton Cuse and Drew Goddard

Jack's joyous reunion with his fellow survivors is cut short when they realize that accompanying him is one of "The Others," and Claire is stricken by a mysterious, life-threatening illness...

Matthew Fox (Doctor Jack Shephard), Evangeline Lilly (Kate Austen), Dominic Monaghan (Charlie Pace), Jorge Garcia (Hugo ‘Hurley’ Reyes), Josh Holloway (James ‘Sawyer’ Ford), Daniel Dae Kim (Jin Kwon), Yunjin Kim (Sun Kwon), Naveen Andrews (Sayid Jarrah), Terry O'Quinn (John Locke), Emilie de Ravin (Claire Littleton), Henry Ian Cusick (Desmond Hume), Michael Emerson (Ben Linus), Elizabeth Mitchell (Juliet Burke), Robin Weigert (Rachel), William Mapother (Ethan Rom), Brett Cullen (Goodwin), Andrew Divoff (Mikhail), Nestor Carbonell (Richard Alpert), Joah Buley (Other Dude), Tyrone Howard (Airport Guard)

Directed by Jack Bender
Produced by Sarah Caplan
Executive Producers J.J. Abrams and Bryan Burk

TX (US): 11th April 2007

Notes:
*Featuring Jack, Kate, Locke, Charlie, Sayid, Sawyer, Hurley, Jin, Sun and Claire