Molly is the teenage team leader of the Brooklyn Science and Tech robotics club. She relies strictly on logic and scientific inquiry to process chaos, using her knowledge of engineering to calm herself and others. Following the crash, she steps into a leadership position. She systematically delegates survival tasks while struggling to manage the emotional toll the disaster takes on her younger friends.

Javi is a talented but insecure teenage engineer who frequently doubts his own courage. He acts as the emotional barometer for Team Killbot, expressing the fear and wonder that his more clinical teammates suppress. By applying his practical mechanical aptitude to the physics of their new environment, he begins to build confidence in his own abilities.

Yoshi is a bicultural teenager traveling alone after taking his family's antique katana without permission. Burdened by his father's strict expectations, he initially distances himself from the other crash survivors to act independently. His extensive martial arts discipline and bilingual abilities quickly make him an essential protector and communicator for the group.

Anna is the scientific investigator of the robotics club, naturally processing the world through detached observation. Her ability to compartmentalize fear allows her to function effectively during the disaster, taking the lead on testing the jungle's strange flora and alien technology. Her blunt communication style sometimes causes friction, but she is deeply committed to keeping her friends alive.

Caleb is the oldest and physically largest of the crash survivors. He assumes his age grants him automatic authority, proposing traditional wilderness survival tactics like building massive signal fires. He stubbornly dismisses the younger teens' scientific findings, refusing to accept that they are no longer in a normal earthly environment.

Oliver is the youngest member of the Brooklyn Science and Tech robotics club. Often treated as the team mascot, he initially requires the most care and protection following the crash. However, he quickly becomes the group's moral core by forcing the older teenagers to stop repressing their emotions and acknowledge the reality of their trauma.

Kira is a young Japanese survivor who speaks no English and communicates entirely through Yoshi. Pragmatic and courageous, she uses her artistic talent to accurately sketch the strange symbols and objects the group discovers. Her strong spatial reasoning makes her invaluable for tracking down resources in the confusing terrain.

Akiko is Kira's younger sister, initially timid and withdrawn following the catastrophic flight. She discovers a unique way to contribute to the group's survival through her musical abilities. By using her flute to mimic the calls of local birds, she actively assists in hunting for food.

Mr. Keating is the dedicated teacher and adviser for the Brooklyn Science and Tech robotics club. He is lost during the mid-air destruction of the plane's cabin, leaving his teenage students entirely on their own. His memory serves as an important emotional anchor that forces the young survivors to grieve and bond.

Captain Frank Benoit is the pilot commanding Aero Horizon Flight 16. He maintains professional composure while reporting complete electrical failures and impossible altitude readings before the aircraft breaks apart.

Alexis Card is the First Officer on the doomed Aero Horizon Flight 16. She monitors the plane's backup instruments during the crisis and is violently pulled from the cockpit when the hull tears open.