Boone Carlyle
- Played by Ian Somerhalder
- Deceased, died due to complications from injuries sustained when the Drug Runner Plane fell from the trees
BEFORE THE CRASH
- Shannon's step-brother
- Stepson of Adam Rutherford
- Had a one-night stand with Shannon not long before getting on the flight
- Was the COO (Chief Operating Officer) of his mother, Sabrina Carlyle's business called Carlyle Weddings.
- Was a lifeguard at one point.
- Was in love with Shannon (his step-sister).
ON THE ISLAND
- Learned to let go of Shannon after being drugged by Locke and hallucinating
- Worked with Locke to break into the Hatch
- Climbed into the Beechcraft at the request of Locke who was too incapacitated to do it himself
- Made contact with Bernard using the radio found in the Beechcraft
- Discovers that the Beechcraft is really a Nigerian Drug Runner Plane, as inside the plane are a number of Virgin Mary statues all filled with Heroin
- Sustains life threatening injuries when the Beechcraft falls from the trees while he's inside
- Is carried by Locke all the way back to the caves
- Dies while under Jack's care after telling Jack to let him go