and the latest from spoilerfix.com

10/31 - On a remote Hawaiian beachscape where turquoise waves slither up tan sands, Josh Holloway, Evangeline Lilly and several others (including Others) are filming a whopper of a scene for a February episode of LOST. Spotting this reporter through the trees, Elizabeth Mithcell scoots over... "Well," she says, cheerfully excusing herself, "I'm going to go shoot someone." Cameras rolling, she expertly wields a Sig Sauer and pumps two bullets into someone shocking; the still-standing are left gasping as she coldly lowers the gun.
Source: Entertainment Weekly

10/31 - According to some pictures, Ethan would appear in Juliet's flashback. Probably working at the same lab Juliet was. On the picture below...
Source: SpoilersLost
