The Oceanic 6 learn how they'll be able to return to the island, but not all of them want to make the journey. Eloise Hawking: Fionnula Flanagan.

John 3:16

For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.

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3/6 of the oceanic 6 return to the island in this episode.

* 02/08 - Jack dives from the top of the waterfall and he swims over to Hurley, who's sitting on the side playing guitar... There's also a floating guitar case. Then he swims over to a maybe unconscious Kate. Suddenly, Jin comes out of the jungle holding a gun and wearing a Dharma jumpsuit. Jacks says "Jin?" And then Jin lowers the gun looking confused. Source: Lost Spoilers

* 02/02 - Mrs Hawking gives something to Jack that MUST go back with Locke's body along with a special item that comes in pairs that is related to Jack's grandfather. Source: Lost Spoilers
* 12/18/2008 - We're going to meet Jack's grandfather for the first time in episode 7! He'll be played by actor Raymond Barry, who's probably best known for his role as Tom Cruise's dad in Born on the Fourth of July. Source: The Ausiello Files

* 02/02 - The members of Oceanic 6 discover how to get back to the island, but not all of them want to return. Guest starring are Fionnula Flanagan as Eloise Hawking, Jeff Fahey as Frank Lapidus, Sai d Taghmaoui as Caesar, Zuleikha Robinson as Ilana, Mary Mara as Jill, Raymond J. Barry as Ray, Kavita Patil as Rupa Krishnavani, P. D. Mani as Nabil, Rebecca Hazlewood as Nalini, Patti Hastie as barfly, Glen Bailey as magician and Ned Van Zandt as Mr. Dorsey. Source: ABC

* 10/27/2008 - Hal: 70s, Caucasian. Successful, handsome and charming rogue with a twinkle in his eye. A guy who can still fight the establishment and win. May recur. Mike: 30s-40s with Czech accent. A scientist. Very intelligent and creative. He's excited to show his boss his latest discovery. Has worked hard and knows he's on the brink of something big. Vicki: 30s-40s, any ethnicity, attractive. Charming, coy and knows how to get what she wants. Has spent a lifetime in bars and can read a guy better than he knows himself. Rupa: 20s, Indian (South Asian), pretty. Sweet, fun-loving professional young woman who can be tougher than she appears. Can deal with difficult customers with charm and ease. Nandi: Male, 30-35, Indian (South Asian) he's smart and professional. He's used to working with difficult and annoying people, so he's developed a kind but firm demeanor. Source: Lost Spoilers

"New character"