Daniel Radcliffe plays the role of Harry Potter in all eight  movies.
http://www.answers.com/Q/Who_played_Harry_Potter_in_the_Harry_Potter_movies
Rowling praised the film series' acting talent and announced that there are seven young Harry Potter cast members who she refers to as The Big Seven; they are Daniel Radcliffe, Rupert Grint, Emma Watson, Tom Felton, Matthew Lewis, Evanna Lynch and Bonnie Wright.
https://en.wikipedia.org/wiki/List_of_Harry_Potter_cast_members
Who played Lily and James Potter in the Harry Potter movies? Lily (Evans) Potter as an adult is played by Geraldine Somerville, as a teenager by Susie Shinner and as a child by Ellie Darcey-Alden. James Potter as an adult is played by … Adrian Rawlins and as a teenager by Robbie Jarvis. 4 people found this useful.
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Harris passed away before filming began on Harry Potter and the Prisoner of Azkaban, so they recast Michael Gambon, who ultimately played Dumbledore in the rest of the films. In Harry Potter and the Deathly Hallows young Albus Dumbledore is played by Toby Regbo.
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Even though Hedwig is a female in the Harry Potter series she is  portrayed mostly by males. There were 7 who played Hedwig and these  were; Gizmo, Kasper, Oops, Swoops, Oh … Oh, Elmo and Bandit. 2 people found this useful.
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Some of the most renowned actors of the United Kingdom and Ireland have voiced or portrayed characters appearing in the Harry Potter film series based on the book series by J. K. Rowling. Daniel Radcliffe, Rupert Grint and Emma Watson have played Harry Potter, Ron Weasley and Hermione Granger in all the films. When they were cast only Radcliffe had previously acted in a film.
https://en.wikipedia.org/wiki/List_of_Harry_Potter_cast_members
Answer by Imo Pop. Confidence votes 13.9K. Having been a fan of the series from a young age, I have a very good knowledge of the series. In Harry Potter and the Philosopher's (Sorcerer's) Stone and Harry Potter and the Chamber of Secrets, Albus Dumbledore was played by Richard Harris.
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When David Yates was directing the fifth film, Bill Nighy (who knew Yates personally) said that he hoped the director would cast him in Harry Potter. But nobody called, Nighy added. However, in 2009, Yates cast Nighy as Minister of Magic Rufus Scrimgeour in the seventh film. Nighy said, I am no longer the only English actor not to be in Harry Potter and I am very pleased.. Jude Law once quipped, Nobody's asked me.
https://en.wikipedia.org/wiki/List_of_Harry_Potter_cast_members
Richard Harris played Albus Dumbledore in the first two Harry Potter movies. He was Marcus Aurelius in Gladiator. He also played in over 70 other movies before passing a … way of Hodgkin's disease on October 25th, 2002.
http://www.answers.com/Q/Who_played_Albus_Dumbledore_in_the_Harry_Potter_movies
The 50-year-old British actor, who played werewolf villain Fenrir Greyback in “Harry Potter and the Half Blood Prince,” and both parts one and two of “Harry Potter and the Deathly Hollows” died while hiking near Death Valley, California, said the Inyo County Sheriff’s Office.
http://fox8.com/2014/07/11/actor-who-played-villain-in-harry-potter-movies-dies-while-hiking/
who played harry potter in the movie
Daniel Radcliffe played Harry Potter in the movie. In the movie, Daniel Radcliffe played Harry Potter.