The captain of the Rocinante, who is seen as a moral compass navigating the complex politics of the system and aiming to unify disparate factions toward peace.

A former high-ranking captain in the Free Navy who becomes disillusioned with the cause and plays a key role in forming a new, compassionate faction.

The son of Marco Inaros, struggling with his identity and loyalty within the shadow of his father's overwhelming charisma and violent ideology.

The forceful and pragmatic acting Secretary-General of the United Nations, leading Earth through a time of grave planetary crisis and political shifts.

The Rocinante's lead engineer with deep ties to the Belter cause, whose personal connections drive her involvement in the series' conflict.

A highly competent former Martian marine, who plays a significant military role in key operations against larger threats in the series.

The Rocinante's chief mechanic known for his straightforward, protective nature and unwavering loyalty to his crew.

A character with a past marked by violence, on a path of redemption, seeking familial acceptance and a new sense of belonging aboard the Rocinante.

A seasoned political figure within the Outer Planets Alliance, who navigates the complex landscape of Belter politics and conflict.

The Rocinante's skilled pilot, formerly of the Martian navy, whose expertise is critical during space engagements.

A botanist dedicated to using his scientific knowledge for good, providing critical assistance through his research.

A Belter technician whose work on Medina Station reflects the aspirations and hopes of the Belter community for autonomy and defense.

A civilian on Earth portraying the ground-level survival challenges and human cost following devastating attacks on the planet.