Michael Dawson is a fictional character played by Harold Perrineau on the ABC television series Lost. Michael is one of the survivors of Oceanic Flight 815 who crashes on the show's island. After losing a custody battle with Susan Lloyd (Tamara Taylor), Michael does not see his son Walt (Malcolm David Kelley) for almost ten years. They reunite when she dies, but on their journey home, their plane crashes on a mysterious island in the South Pacific. Here Walt is kidnapped by the Island's previous inhabitants, the Others, and Michael spends his time trying to retrieve him. He is eventually successful, and they leave the Island together, but the guilt over the murders he had to commit to achieve this leads him to an estrangement with his son and a suicide attempt. He returns to the Island on a freighter, but is killed when a bomb on it explodes. Michael reappears as a ghost, and apologizes to Hurley for killing Libby (Cynthia Watros).

Although initially skeptical about the role, Perrineau took it after Lost creator J. J. Abrams told him more about it. Much of the first season arc for Michael was rewritten; he was originally going to be part of a love triangle with Korean couple Sun (Yunjin Kim) and Jin (Daniel Dae Kim), but positive fan reaction to the couple meant this storyline was dropped. After Michael leaves the Island in season two, Perrineau knew he would return to Lost at some point; he felt there was more to tell of Michael's story. Reception for the character has been mixed, though Perrineau's acting was largely praised.

While credited for the entire season, Perrineau's character does not return until his cameo in the fourth season episode "Ji Yeon". While Perrineau signed a multi-season return deal, the character was killed off after five further appearances in the season. Perrineau described the storyline as a "weird stereotype" of a Black father abandoning his son that he deemed uninteresting and admitted to being hesitant about signing on had he known the storyline would have panned out the way it did. In retrospect, Lindelof later expressed regret about the direction of the character's arc in a 2020 podcast interview, defining Michael solely as Walt's father, and how a lack of diversity in the writer's room affected the direction of the character.

Arc Much of Michael's life before the plane crash is shown in flashbacks during "Special". Susan Lloyd leaves Michael after their son Walt is born, and travels to Amsterdam with Walt. Later, Susan tells him that she intends to get married. Michael becomes enraged, and is hit by a car, leaving him hospitalized for months. Susan tracks him down at the hospital and tries to convince him to give up his parental rights, so that her new husband can adopt Walt. Michael refuses, but in the resulting custody battle Susan convinces him that it is the best decision for Walt. Several years later, Susan dies, and her husband asks Michael to take custody of Walt, who is now living in Australia. Michael agrees, but just before the return flight, calls his mother and asks if she can take Walt instead.

Their plane crashes on an island in the South Pacific; Michael, Walt and Walt's Labrador Vincent are among the survivors. After Vincent runs into the jungle, Michael searches for him, but to no avail; it is later that Locke (Terry O'Quinn) returns Vincent to Michael. Despite this gesture, Michael is skeptical about Locke, and does not want Walt spending time with him. After Michael is attacked by a Korean survivor, Jin, over a gold watch Michael has started wearing, Jin's wife Sun approaches him to explain that it is her father's watch, and in doing so reveals that she speaks English. Michael begins constructing a raft, in hope that he and Walt can escape the Island. After witnessing his completed raft burned down, Michael blames Jin, but later Walt confesses that it was him. Although Walt did not want to leave the Island, he has now changed his mind. Michael and Jin bond after Sun reveals her ability to speak English, and the two men begin work on a second raft. They offer the final space on board to Sawyer (Josh Holloway). In the season finale "Exodus", Michael sets sail with Jin, Sawyer and Walt, and not far from the Island, they encounter a small fishing boat. The occupants of the fishing boat are the Others, who have long inhabited the Island. They kidnap Walt and destroy the raft.

At the beginning of season two, Michael and Sawyer are stranded in the middle of the ocean, with Jin missing. They wash ashore and discover Jin, then are knocked unconscious by one of the survivors from the tail section of the plane. After convincing the tail section survivors that they were on the same plane, they all return to the beach camp of the fuselage survivors. Later, Michael offers to take a shift in the hatch that the survivors have found. Here, he begins receiving computer messages from someone who he thinks is Walt, who gives him directions to where he is being held. Michael ventures off in search of him, but moments after leaving the camp, two of the Others kidnap him and hold him hostage. Michael is told to retrieve their leader, who is held captive in the hatch, then bring Sawyer, Kate (Evangeline Lilly), Jack (Matthew Fox) and Hurley (Jorge Garcia) to them, and they will return Walt and let them leave the Island. In order to free their leader, Ben (Michael Emerson), Michael convinces Ana Lucia (Michelle Rodriguez), who is guarding Ben, that he will kill Ben on her behalf, but instead kills her when she hands over the gun and the combination to the armory. When Libby (Cynthia Watros) walks in on them, a startled Michael shoots her twice. He succeeds in bringing the four requested survivors to the Others, so Ben reunites him with Walt. Michael and Walt are given a boat and coordinates to freedom, and they sail away from the Island.

A flashback during "Meet Kevin Johnson" reveals that they manage to return to New York City, where Michael hands Walt over to Walt's grandmother. Michael then attempts suicide, unable to cope with the guilt of his murders. Tom (M. C. Gainey), one of the Others, arrives, and tells Michael he can redeem himself by saving the other survivors from an imminent threat. Tom gives Michael a passport with the new name of "Kevin Johnson" in order to infiltrate a freighter that is trying to find the Island. On the freighter he receives a call from Ben, who instructs him to send him information on all the crew, then to sabotage the radio room and the boat engines. In his first season four appearance, Michael meets Sayid (Naveen Andrews) and Desmond (Henry Ian Cusick), who have managed to get from the Island to the freighter. They tell the freighter's captain of Michael's true identity, who orders him to repair the engines. During the season finale, Michael and Jin attempt to disarm a bomb planted on the freighter. Michael slows the bomb's detonation with liquid nitrogen, then tells Jin to leave, when he is almost out of nitrogen. When the supply of nitrogen runs out, Christian Shephard (John Terry) appears to Michael and tells him he can go now. The bomb detonates, and Michael is killed in the explosion, having achieved the redemption he had been seeking. Michael reappears halfway through the sixth season as a ghost that only Hurley can see. He explains that the whispers on the island are the voices of those who have died on the island. As Hurley turns to depart, Michael stops him and apologizes for the pain he caused for both him and Libby.

Characteristics During season two, Perrineau stated "[Michael]'s nicer than I expected him to be. Or, he is nicer so far than I expected him to be ... I try to take characters that I think are challenging and a little complicated and hopefully really smart and thoughtful and compassionate. I think Michael is all those things. He seems to have a lot of bad luck."Perrineau, Harold, (January 23, 2006) "Official Lost Audio Podcast", ABC. Retrieved on January 19, 2009. He defends Michael's behavior in season two, saying "[Michael] keeps stepping into more trouble than he actually asked for".Perrineau, Harold, (March 14, 2008) "Official Lost Audio Podcast", ABC. Retrieved on January 19, 2009. Cynthia Littleton of Variety described Michael as "one of the most interesting of the Oceanic 815-ers: flawed, tortured, hard to read, volatile, fighting his innate talents, his own worst enemy, at times, and at others, a totally stand-up guy." IGN's Chris Carabott calls Michael a "natural" father. Michael is known for frequently shouting "Walt!", "Where's my son!" and "Have you seen my boy?".

Development

When the producers were auditioning actors for roles in Lost, Harold Perrineau was in the area."Before They Were Lost". Lost: The Complete First Season, Buena Vista Home Entertainment. September 6, 2005. Featurette, disc 7. The producers called it a "natural move" to have him audition. Although initially skeptical about the show, he took the role when Lost creator J. J. Abrams explained more about it. Perrineau was attracted to the role because "[Michael]'s a guy that's in a lot of conflict and we're not exactly sure why". In season one, Michael was going to be part of a love triangle with Sun and Jin, however this was dropped after positive fan reaction to Sun and Jin's relationship.Lachonis, Jon "DocArzt", (January 27, 2008) "UGO Talks with Yunjin Kim ", UGO Networks. Retrieved on January 27, 2008. The storyline is revisited in the Missing Pieces mobisode "Buried Secrets", which shows Michael and Sun almost kissing. Michael and Jin were going to be enemies throughout all of the season, but the producers felt Perrineau and Daniel Dae Kim had good chemistry, so the storyline was changed to them becoming friends.Goldman, Eric, (July 22, 2006) "Comic-Con 2006: Lost Season 3 Revelations", IGN. Retrieved on April 11, 2008. Perrineau called filming the first season "one of [his] best years as a working actor".