Ben is an imaginative boy with a love for books and architecture. He transforms from a bullied child into a successful adult who works in an architecture-related field.

Beverly is a talented and courageous girl who excels in using a slingshot. She grows into a successful fashion designer, dealing with challenges from her past.

Richie is a lively boy known for his quick wit and impersonations. He goes on to become a well-known radio personality and comedian.

Eddie is a cautious child with health anxiety, often carrying an asthma inhaler. He eventually runs a limousine business and carries traits from his mother into adulthood.

Stanley is a logical, bird-loving boy who values order. As an adult, he becomes a successful accountant overcoming initial hurdles related to his experiences.

Mike is a curious boy with an interest in history and a strong sense of duty. He becomes the town librarian and serves as the group's memory keeper.

Henry is a persistent bully, whose behavior is influenced by his environment. His antagonism places him at odds with the other characters.

Pennywise is a sinister clown figure that embodies fear, using various appearances to terrify and manipulate. Its presence shapes the central conflict faced by the main characters.