- Professor Anderson: Renowned scientist and an advocate for exploring and exploiting the possibilities of space. He is determined to send a manned expedition to the newly discovered planet of Quagel X.
- Sam Brandt: A brilliant mathematician who is part of Anderson's team working on the Quagel X project. He is known for his expertise in complex calculations.
- Tom Godwin: A capable and experienced astronaut chosen to be the pilot for the Quagel X mission. He has a strong sense of duty and responsibility.
- Dr. Sarah Miller: A knowledgeable physicist and a member of Anderson's research group. She contributes her scientific insights to the Quagel X project.
- Quagel X: An uninhabited, remote planet with strange geological features and a potential source of valuable minerals. It becomes a focal point of Anderson's mission to explore and harness its resources.