- Victor Vollmer/ "Little Man"- a stuttering 11-year-old boy who takes on a new responsibility, which is his friend's paper route, and is intrigued by all the new things happening in the neighborhood around him.
- Mam - a protective housekeeper who goes to great lengths to make sure "Little Man" is treated right.
- Arthur "Rat" - "Little Man's" friend whose paper route he is covering for.
- Ara T - a junkman who causes trouble for "Little Man" and Mam.
- Mrs. Worthington - a depressed woman who turns to alcohol quite frequently.
- Mr. Spiro - an intelligent traveler who has patience and helps "Little Man" understand things that he is intrigued about.
- TV Boy (Paul P.) - a boy who is deaf and watches TV all day to practice lip reading and is later befriended by Victor.
- Parents - mom who is real and a father who is not Victor's dad.
- Mr. Worthington - Mrs. Worthington's husband
- Coach - Victor's coach for baseball
- Big Sack - friends with Ara T, and cuts Victor's parents' lawn
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