Spent much of her adolescence with her step-brother, Boone Carlyle. From a young age she suspected that he was in love with her, but she never returned these feelings.

Fugitive from justice for several years and caused the death of her childhood boyfriend while resisting arrest. She bravely led the first exploration into the jungle.

Became a con man and adopted the name and methods of the man he holds responsible for his parents’ deaths. On the island, plays all the angles and hoards supplies, booze, sunscreen; bought his way onto a raft with hoarded supplies.

Won $156 million lottery with numbers from patient in a mental institution: 4 8 15 16 23 42. His laid-back humor keeps the survivors’ spirits up, yet he secretly believes his bad luck caused the crash. He panicked when he saw the winning numbers on the mysterious hatch right before Locke blew it open.

A collections supervisor for a box company, and a master of war and strategy games. He was miraculously able to walk again after the crash and used his skills to hunt and live off the land. He believes the island has brought them all here for a reason.

Alex was taken from her mother Rousseau by the Others whilst still a baby. A significant member of the Others named Ben adopted her and told her that her mother had died.

Her boyfriend convinced her to have his baby, but she was desperate to give up her baby for adoption after he walked out on her. On the island, she feels out of place because of her pregnancy.

Nikki was an actress who made a guest star appearance on the fourth season of a dramatic television series called Exposé. She was dating the show's director at the time, and remains in Australia with him after she exits the show. He dies soon after when Paulo, working alongside Nikki as his chef, poisons him. The two, revealed to be con artists, proceeded to steal his bag of diamonds, worth $8 million.

Rich girl who married Jin despite him being from a lower class. She learned English in secret so she could run away from her failing marriage. She later revealed she could speak English to the group when her husband was accused of burning the raft.

Because of his inexperience as a father, Michael is sometimes overly strict and protective of Walt, which leads to some difficulties in their developing relationship. For a time, Walt looks to John Locke as a father figure, and this leads to several confrontations between the two, with Michael forbidding Walt to approach Locke.

Became a war lord and drug runner — later became a priest.

Ben Linus, one of the Others, claims to have been born on and lived on the island his entire life; however, this is a lie - he was actually born in the U.S., 32 miles from Portland, Oregon. His parents were Roger and Emily Linus. Emily went into labor only 7 months into the pregnancy during a walk in the woods and died from the complications that arose.