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18 Actors You Totally Forgot Were In 'Harry Potter' Movies

Updated January 14, 2021 4.3k votes 546 voters 86.1k views18 items

List RulesVote up your favorite actors that you sorta forgot were in the 'Harry Potter' franchise.

Chances are, you totally forgot about many of the famous actors in Harry Potter movies. Over the course of eight feature-length Harry Potter movies, it became practically a rite of passage for British thespians to grace at least one of those big-budget fantasy films, even if it was just to pop in for a quick cameo.

Some of the actors you forgot were in Harry Potter movies include stars like Robert Pattinson and Scarlett Byrne, who were just starting out in the industry at the time. On the other hand, some others, like John Cleese and Kenneth Branagh, were already veteran performers on the big screen.

Which famous extras in Harry Potter films did you totally forget about? Which popular actor played the best muggle or wizard? From Potter friends to foes, here are some famous actors who are forever a part of the Harry Potter universe.

  • Julianne Hough had a small cameo as an unnamed Gryffindor student in Harry Potter and the Sorcerer's Stone.

    Most people know Hough as one of the professional dancers on Dancing with the Stars, where she won two championships alongside her celebrity dancing partners. Hough also served as a judge on the popular ABC reality series. She transitioned to acting in 2010 in the musical Burlesque. The Emmy-winner also starred in the 2011 remake of Footloose and the comedy musical Rock of Ages.

    Forgotten fave?
  • John Cleese portrayed Nearly Headless Nick, a wizard who was partially decapitated and became the resident ghost at Hogwarts, in Harry Potter and the Sorcerer's Stone and Harry Potter and the Chamber of Secrets.

    Cleese is better known as a co-founder of the famed comedy troupe Monty Python. The troupe had a successful television sketch show and several acclaimed feature films, including Monty Python and the Holy GrailLife of Brian, and The Meaning of Life. In addition, the legendary English actor and comedy writer has starred in the likes of A Fish Called Wanda, Time Bandits, and a pair of James Bond films.

    Forgotten fave?
  • David Tennant played Bartemius Crouch Jr. in Harry Potter and the Goblet of Fire. The Lord Voldemort loyalist is a pure-blood British wizard.

    Tennant has made a career performing as both a villain and a hero. He played the Tenth Doctor in the BBC small-screen science fiction series Doctor Who. The Scottish actor showed his horns as both the devil in the Amazon drama Good Omens and as the wicked Kilgrave in the Netflix superhero series Jessica Jones.

    Forgotten fave?
  • John Hurt played Garrick Ollivander in Harry Potter and the Sorcerer's Stone and Harry Potter and the Deathly Hallows. The half-blood wizard is known to witches and wizards around the globe as the premier wandmaker. 

    Sir John Vincent Hurt was a prolific actor with over 200 credits on his filmography. The English legend received Academy Award nominations for his performances in The Elephant Man and Midnight Express. Perhaps his most memorable film moment came as Kane in the famous chest-burster scene in the horror/sci-fi classic Alien.

    Forgotten fave?