Emma Thompson was Sybil Trelawney in Harry Potter and Nanny McPhee in Nanny McPhee.
Maggie Smith was Prof. McGonagall in Harry Potter and Mrs. Dochtery in Nanny McPhee Returns.
Ralph Fiennes was Lord Voldemort and Lord Gray in Nanny McPhee Returns.
Rhys Ifans was Xenophilius Lovegood and Uncle Phil.
only two characters from harry potter are in Nanny McPhee returns. Maggie Smith(professor Minerva Mcgonagall) and Ralph Fiennes (Tom Riddle or Voldemort)
There is no such character in Harry Potter.
Arthur Bowen played Albus Severus Potter. Daphne de Beistegui played Lily Potter. Will Dunn played James Potter.
Albus Dumbledore has been played by two actors. Albus Dumbledore was played by Richard Harris in Harry Potter and the Philosopher's Stone and Harry Potter and the Chamber of Secrets. Michael Gambon has played Dumbledore in every other Harry Potter film to date, and is also set to star in Harry Potter and the Deathly Hallows Part I.
Harry Potter is played by Daniel Radcliffe.
No. Harry Potter is a character in Harry Potter played by Daniel Radcliffe. Edward Cullen is a character in Twilight played by Robert Pattinson who did have a role in Harry Potter as Cedric Diggory.
Emma Thompson . She also played the divination professer in Harry Potter.
NFL player Pernell McPhee played for Mississippi State.
Ewan McGregor played the character of Mr. Green in Nanny Mcphee.
It is a film with Emma Thomson in it. Nanny McPhee herself is a magical army nanny who teaches children how to behave properly and be kind.
He was only portrayed by Harry Morgan.
Katharine McPhee plays Harmony.
Harmony (the pregnant person) was played by Katharine McPhee.
Harry Potter is played by Daniel Radcliffe in all 5 movies and he will be playing Harry Potter in the last three movies. Hermione Granger has been played by Emma Watson. Ron Weasley is played by Rupert Grint. Sirius Black is played by Gary Oldman.
Nanny McPhee.
Neville Longbottom is a character in the Harry Potter series. He begins as a fellow Gryffindor and returns to Hogwarts as the new herbology professor. Professor Neville Longbottom was played by Matthew Lewis.
The main actors and actresses in the entire Harry Potter series was kept unchanged. Though some persons are needed to be changed due to some problems. To summrise this answer, Daniel Radcliffe was only one who played as Harry Potter.
Simon Brown was played by Thomas Sangster .