

Daniel Radcliffe (right) has been the face of Harry Potter – 'the boy who lived' – ever since 'Harry Potter' movie No. 1, 'Harry Potter and the Sorcerer's Stone,' was released in 2001. At left Radcliffe is shown in a scene from movie No. 6, 'Harry Potter the Half-Blood Prince.' Jaap Buitendjik/Warner Bros./AP
Emma Watson and Stanislav Ianevski: In this scene, Viktor Krum and Hermione Granger participate in the first dance for Tri-wizard champions and their guests at the formal 'Yule Ball' dance in 'Harry Potter' movie No. 4, 'The Goblet of Fire.' Hermione is the daughter of two muggle (non-magic) parents and is known for her quick wit and knowledge. She befriends Harry Potter and Ron Weasley during her first year at Hogwarts. Warner Brothers Pictures/Newscom, Valerie Macon/AFP/Newscom
Rupert Grint: Ron Weasley is shown (left) wearing his Quidditch uniform for Gryffindor House in a scene from 'Harry Potter' movie No. 6, 'Harry Potter and the Half-Blood Prince.' Famous-Ace Pictures/Newscom, Jenny Roberts /Landmark Media/Newscom
Tom Felton: Draco Malfoy is Harry Potter's rival and a resident of Slytherin house. Malfoy's fidelity to Voldermort is tested in 'Harry Potter' movie No. 6, 'Harry Potter and the Half-Blood Prince,' when Malfoy is told to kill Albus Dumbledore. Famous-ace Pictures/Newscom, Matt Sayles/AP
Robbie Coltrane: Rubeus Hagrid is the Keeper of keys and grounds of Hogwarts, whose job it is to lead the first-year students across the lake in boats as they arrive at Hogwarts. Hagrid is also a mentor, teacher, and friend to Harry Potter. Hagrid is shown (left) in a scene from 'Harry Potter' movie No. 6, 'Harry Potter and the Half-Blood Prince.' Newscom, Anthony Behar/Sipa Press/Newscom
Bonnie Wright: Ginny Weasley is the youngest Weasley who, unbeknownst to her brother Ron, has had a crush on Harry Potter since 'Harry Potter' movie No. 2, 'Harry Potter and the Chamber of Secrets.' Ginny (left) appears here in a scene from movie No. 6 'Harry Potter and the Half-Blood Prince.' Newscom, WENN.com/Newscom
Matthew Lewis: Neville Longbottom is a shy student in the same year and house (Gryffindor) as Harry Potter. Longbottom was raised by his grandmother after his parents were tortured into insanity by Deatheaters with the Cruciatus Curse. He is also a member of Dumbledore's army and finally becomes Prof. Neville Longbottom. Longbottom (left) appears in a scene from 'Harry Potter' movie No. 5 'Harry Potter and the Order of the Phoenix.' Newscom, Simon Earl/Splash News/Newscom
Evanna Lynch: Luna Lovegood is the daughter of Xenophilius Lovegood who publishes a tabloid called 'The Quibbler.' Luna met Harry, Ron, and Hermione in her forth year at Hogwarts and became a member of Dumbledore's Army. Newscom, Simon Earl/Splash News/Newscom
Gary Oldman: In the scene shown here (left) from movie 'Harry Potter' No. 3, 'Harry Potter and the Prisoner of Azkaban,' Sirius Black had been sent to Azkaban without trial for the murder of Peter Pettigrew and twelve muggles. In this movie Harry Potter learns that Black was his parents' close friend and is also his Godfather. Sirius is killed by his cousin Bellatrix Lestrange during the Battle of the Department of Mysteries in movie No. 5, 'Harry Potter and the Order of the Phoenix.' Newscom, Hot Shots Worldwide/Splash News/Newscom
Hero Fiennes-Tiffin: The young Tom Marvolo Riddle makes his first appearance in 'Harry Potter' movie No. 6, 'Harry Potter and the Half-blood Prince.' As a Hogwarts student Riddle belonged to Slytherin House and was headboy, a Prefect, and the heir to Salazar Slytherin. Moving around the letters in his name reveals his alter ego to be Lord Voldemort. ITAR-TASS/Newscom, Splash News/Newscom
Ralph Fiennes: Lord Voldemort – initially known as 'He who must not be named' – killed Lily and James Potter as they tried to fight against him and to protect young Harry. Harry was left uninjured by the battle except for the single mark of a lightening bolt scar left on his forehead. He became known as 'The boy who lived.' As long as Harry lives, Lord Voldemort will not. Newscom, Paulo Pirez/Landmark Media/Newscom
Michael Gambon was the fourth actor to portray Albus Dumbledore, the Headmaster at the School of Witchcraft and Wizardry. The role had previously been played by actors Richard Harris, Benjamin Stone, and Lewis Macleod. Warner Brothers Pictures/Newscom, Hot Shots Worldwide/Splash News/Newscom
Alan Rickman: Severus Snape is the Potions professor who is known to want the Defense Against the Dark Arts position at Hogwarts School of Witchcraft and Wizardry. He is the head of Slytherin House. Newscom
Maggie Smith: Minerva McGonagall is the Transfiguration professor and Head of Gryffindor House. In the scene at left, Prof. McGonagall holds the sorting hat above Harry Potter's head to discover which house he will be sorted into in 'Harry Potter' movie No. 1, 'Harry Potter and the Sorcerer's Stone.' KRT/Newscom, WENN.com/Newscom
Brendan Gleeson: Alastor 'Madeye' Moody comes to Hogwarts as the new Defense Against the Dark Arts professor in 'Harry Potter' movie No. 4, 'Harry Potter and the Goblet of Fire.' Newscom
Robert Pattinson: Fellow Hogwarts student Cedric Diggory was sorted into Hufflepuff. He was a Prefect and also played on the Quidditch team. In his sixth year at Hogwarts he competed in the Tri-wizard Tournament. Newscom, Thomas Peter/Reuters
Jason Isaacs: Lucius Malfoy is the father of Draco and a pure-blood wizard who became a Deatheater to fight for Lord Voldemort. ITAR-TASS/Caro Premier’s press service/Newscom, Newscom
Dobby first appeared in 'Harry Potter' movie No. 2, 'Harry Potter and the Chamber of Secrets.' He is a house elf who served the Malfoy family – who treated him with cruelty – until Harry freed him. Actor Toby Jones provided the voice of Dobby. Warner Bros./Reuters, Wenn.com/Newscom