At the time of the first Harry Potter movie, Daniel Radcliffe was 11 years old when he played the titular character, Emma Watson was 10 when she portrayed Hermione Granger, and Rupert Grint was 12 when he started playing Potter’s loyal bestie, Ron Weasley. This means that when the first Harry Potter movie was released, Emma Watson was 10 years old.

Emma Watson was born on April 15, 1990, which means that when the first Harry Potter movie was released in 2001, she was 10 years old. Watson had already been acting since she was six years old, but the Harry Potter franchise was her first major role. She was cast as Hermione Granger, the highly intelligent best friend of Harry Potter.

Watson was only 10 years old when she started filming the first Harry Potter movie, but she was already a seasoned actress. She had already appeared in several television shows and movies, including The Tale of Despereaux, Ballet Shoes, and The Polly Pocket Movie. She had also done voice work for the animated movie The Miracle Maker.

Watson was a natural fit for the role of Hermione Granger, and she quickly became a fan favorite. She was praised for her acting ability and her chemistry with her co-stars, Daniel Radcliffe and Rupert Grint. She was also praised for her dedication to the role, often staying up late to memorize her lines and spending hours on set perfecting her performance.

Watson’s performance in the Harry Potter franchise was a major factor in her rise to fame. She has since gone on to star in a number of movies, including The Perks of Being a Wallflower, Beauty and the Beast, and Little Women. She has also become a prominent advocate for women’s rights and environmental issues.

At the time of the first Harry Potter movie, Emma Watson was 10 years old. She was already an experienced actress, and her performance as Hermione Granger was praised by fans and critics alike. Watson has since gone on to become a major movie star and an advocate for social causes.