Seedpeople

Tom is a geologist who becomes the reluctant investigator of Comet Valley's mystery. He relies on scientific reasoning to connect the meteorite to the seed pods and stays determined to expose the alien threat despite escalating danger.

Tom's former girlfriend who runs a bed-and-breakfast. She provides support and resilience, joining Tom in the effort to uncover the truth and protect the town from the invasion.

Heidi's niece, curious and brave, who senses danger early and becomes a valuable ally to Tom. She helps gather clues and keeps the group's morale when fear spikes.

The town deputy who brings pragmatic skepticism and a sense of duty. He navigates the outbreak's mystery while remaining loyal to his community.

An orchard owner whose property becomes central to the alien plants' activity. He is practical and well-liked, representing everyday life disrupted by the invasion.

The housekeeper whose behavior contributes to the town's paranoia. Her role highlights how fear can blur perception and fuel suspicion as the seed invasion unfolds.

An eccentric local physician who treats bizarre symptoms and defends himself with UV bulbs. He helps identify the seed pods and provides essential scientific context to the investigation.

A local resident who embodies the ordinary life of Comet Valley before the invasion. He represents the everyday people affected by the outbreak and its consequences.

A minor character whose presence adds to the town's odd atmosphere as the seed invasion unfolds. Though not central to the plot, the role contributes to the sense that something uncanny is happening.