Katie Bell
Background
Katie Bell is a witch from house Gryffindor and a student at Hogwarts School of Witchcraft and Wizardry. She is a chaser for the Gryffindor Quidditch team.
During the events of Harry Potter and the Sorcerer's Stone (2001) played by Emily Dale
The Quidditch games starts with Oliver Wood, Harry Potter, Katie, Fred Weasley, George Weasley, Angelina Johnson and Alicia Spinnet on the Gryffindor team and Adrian Pucey, Marcus Flint and Terrence Higgs on the Slytherin team, while Lee Jordan is the announcer for the game. Angelina Johnson scores the first points, followed by Katie Bell. Marcus Flint takes the Beater club and knocks Oliver Wood unconscious with the Bludger and Slytherin starts to come back into the game. As Harry starts to go after the Snitch, his broom starts to act on its own. Harry is able to regain control of his broom and catches the Snitch in his mouth and wins the game for Gryffindor.
During the events of Harry Potter and the Chamber of Secrets (2002) played by Emily Dale
Before practice, Oliver tells the Gryffindor Quidditch team of Harry, Alicia, Katie, Angelina and Fred and George, he devised a new program. As they walk into the practice green, Marcus tells them they were given the practice time to train their new Seeker, Draco Malfoy. Ron Weasley walks up with Hermione Granger and asks how the Slytherin team got the Nimbus 2001's and Marcus tells him Lucius Malfoy bought them for the team. Draco comments to Ron that his father can afford the best and Hermione accuses Draco of buying himself onto the team, to which Draco calls her a Mudblood. Ron tries to cast an Eat Slugs spell on Draco with his broken wand, which backfires, causing Ron to vomit up snails and the Slytherin team including Adrian, Slyth Beater No 1, Slyth Beater No 2, Slyth Beater No 3 and Slyth Keeper laugh. During a Quidditch Match, the Gryffindor team is overwhelmed by the Slytherin team with their faster broom sticks and Lee Jordan announces another point for Slytherin. During the game, Oliver has his broom broken by a rogue Bludger. The Bludger chases after Harry who sees the Snitch and chases after it with Draco behind him. Draco crashes and so does Harry, but he manages to grab the Snitch anyways. Before their game, Professor McGonagall tells the Gryffindor Quidditch team, their match has been cancelled.
During the events of Harry Potter and the Half-Blood Prince (2009) played by Georgina Leonidas
Albus Dumbledore introduces the students to Professor Horace Slughorn and tells the students that dark forces are trying to penetrate Hogwarts. Leanne and Katie are walking back to Hogwarts when Harry, Ron and Hermione hear Leanne scream. Katie flies into the air and then falls back down. Hagrid tells the children to stay away from Katie and picks her up and takes her back to Hogwarts. Later, Harry asks Katie if she knows who cursed her and notices her looking at Draco Malfoy.