Sam Walden (played by Margaret Qualley) is a protagonist in IO.
The protagonist living alone at high altitudes on a toxic Earth. She raises bees to clean the atmosphere and later discovers a new immune queen bee. After her boyfriend departs on a 10-year voyage and Micah leaves for the shuttle, she chooses to stay, adapting to the changed environment and waiting for humanity's return. Micah (played by Anthony Mackie) is a protagonist in IO.
A traveler who arrives on Earth in a helium balloon seeking Sam's father. He urges Sam to leave via the space shuttle and develops a romantic bond with her. Despite his initial reluctance caused by past trauma, he eventually travels to the launch site alone after Sam decides to remain on the planet. Boy (played by Teagan Johnson) appears in IO.
A young child who appears at the end of the film, joining Sam on the beach. He is presumed to be Micah's son, symbolizing a new beginning and humanity's potential future on the adapted Earth as Sam awaits the return of those who fled.
IO (2019) character relationship network mapped with AI analysis. Explore the connections, alliances, and conflicts between characters.
Characters
Sam Walden
(played by Margaret Qualley) — protagonist
The protagonist living alone at high altitudes on a toxic Earth. She raises bees to clean the atmosphere and later discovers a new immune queen bee. After her boyfriend departs on a 10-year voyage and...
Micah
(played by Anthony Mackie) — protagonist
A traveler who arrives on Earth in a helium balloon seeking Sam's father. He urges Sam to leave via the space shuttle and develops a romantic bond with her. Despite his initial reluctance caused by pa...
Boy
(played by Teagan Johnson) — supporting
A young child who appears at the end of the film, joining Sam on the beach. He is presumed to be Micah's son, symbolizing a new beginning and humanity's potential future on the adapted Earth as Sam aw...
Key Relationships
Sam Walden → Boy
(Family Guardian)
Micah → Boy
(Family Father)
Sam Walden → Micah
(Alliance Travel Companions)
Story Analysis
A lone woman on a toxic Earth forms a bond with a traveler, ultimately choosing to stay and nurture the planet's future.
