* Montag: The protagonist of the story, a fireman who is beginning to question his role in society.
* Clarisse: A young woman who is curious about the world and challenges Montag's beliefs.
* The Hound: A mechanical dog that is used by the firemen to track down and capture people who possess forbidden books.
It is important to note that this is just a portion of the book and there are many other characters throughout the novel. This scene is significant because it marks the beginning of Montag's awakening and his desire to learn more about the world beyond the confines of his society.