The Crater Lake Monster

A determined scientist who helps decipher the cave drawings and later collaborates with Calkins and the Sheriff to understand the monster. He values evidence, teamwork, and clear thinking as the town confronts an extraordinary threat.

Calkins's girlfriend and fellow researcher who accompanies the team during the discovery. She is capable, supportive, and engaged in the quest for answers about the ancient drawings and the lake’s danger.

The town’s pragmatic lawman who leads the investigation and ultimately confronts the monster. He prioritizes public safety, makes tough calls, and clashes with others who want to gamble with the monster’s fate.

U.S. senator who becomes one of the monster’s victims, serving as a catalyst for the town’s alarm and the investigation that follows. His death underscores the monster’s reach beyond everyday life.

A performer traveling with his wife Paula who rents a boat to escape danger. He survives long enough to witness the monster’s impact on the community and reflects on its threat to everyday life.

Ross's wife who joins the boating trip and contributes to the plan to outpace the monster. She embodies the resolve and resilience of townspeople facing a sudden aquatic threat.

Owner of the fledgling boat rental business and a source of conflict with his partner. His impulsive nature and stubbornness contribute to the town’s crisis, and he meets a violent end at the hands of the monster.

Arnie's partner who champions the idea of continuing the boat rental business despite the danger. He represents pragmatism and loyalty, remaining engaged in the community’s response even after Arnie’s death.