The mission's Overall Commander, a principled leader torn between preserving alien life on Nod and his terraforming objectives.

A collective intelligence inspired by slime molds, whose interactions with humans transform it into a complex character seeking knowledge and novelty.

A human linguist and diplomat working to establish communication between species, known for her patient and empathetic approach.

A fragmented AI operating the Lightfoot; conflicted between her logical programming and emerging emotions.

A scientist driven to bridge species consciousness, who ultimately undergoes a profound transformation as a result of his experiments.

An intelligent, spacefaring civilization with a unique cognition and societal structure, created by Senkovi's experiments.

A bold Portiid spider with a penchant for adventure, who shares a significant partnership with Helena Lain.

A cautious Portiid male partnered with Meshner, whose scientific ambitions contrast with his survival instincts.

Crew members involved in the initial encounter with the Nodan parasite, each playing a pivotal role in the organism's development.