None. Ron Weasley did not play any character. Ron Weasley IS a character. The ACTOR who played him is Rupert Grint.
Also, there is no film named "Harry Potter". There are (currently) 6 films in a series that can be called "Harry Potter films", with names such as "Harry Potter and the Chamber of Secrets" and "Harry Potter and the Order of the Phoenix". So far, Rupert Grint has played Ron Weasley in all of the films. There will be two more films in the series, and I suspect Rupert Grint will continue to play the role of Ron Weasley in both of them.
Jean Weasley is not a character in the Harry Pottermovies. If you mean Ginny Weasley, she was played by Bonnie Wright.
Yes, Mark Williams is the only actor to portray Arthur Weasley in the Harry Potter films. His character did not appear in the first Harry Potter film, though.
Rupert Grint played Ron Weasley and Emma Watson played Hermione Granger.
There is no such character in Harry Potter.
Rose Weasley is played by Helena Barlow in Harry Potter and the Deathly Hallows: Part 2.
Jean Weasley is not a character in the Harry Pottermovies. If you mean Ginny Weasley, she was played by Bonnie Wright.
Bonnie Wright (born on February 17, 1991, in London, England) has played Ginny Weasley in all of the Harry Potter films. Bonnie Wright played Ginny Weasley in the Harry Potter films.
Harry Potter is the main character, so there is less attention on Percy Weasley throughout the series of books and movies. Whichever character is better is an opinion.
When Ronald Weasley, Hermione Granger and Harry Potter play chess in the movies the character Ronald Weasley plays as a Knight. Ronald Weasley sacrifices himself to the Queen during the game to protect Hermione Granger and Harry Potter.
Bernie Weasley is not a character in Harry Potter, Barney Weasley is. Harry went to Bill and Fleur's wedding in disguise and that was his fake name.
Ron Weasley is a character of Harry Potter Movie.In that movie he is a Friend of Potter.
Nobody, her character is never seen in the book or the movie. She is only talked about.
Yes, Mark Williams is the only actor to portray Arthur Weasley in the Harry Potter films. His character did not appear in the first Harry Potter film, though.
Alex Crockford played him in Harry Potter and the Prisoner of Azkaban. Charlie was cut from the rest of the movies.
Ron is short for Ronald, which is Ronald Weasley's real name, as shown in The Will of Albus Dumbledore in Harry Potter and the Deathly Hallows and said many times by Hermione Granger in the films.
Rupert Grint is the name of the actor who played Ron Weasley in all eight Harry Potter movies.
Yes, Julie Walters has played the role of Molly Weasley in all eight Harry Potter movies.