Multiple choice general knowledge In 'The Sorcerer's Stone' who plays Hermione Granger in the movie? Emma Woodhouse Emma Watson Emma Thompson Emily Watson Reveal answer Fill a bubble to check yourself B Correct answer Explanation Emma Watson was cast as Hermione Granger in the Harry Potter film series, making her debut in The Sorcerer's Stone (2001) at age 9. Emma Woodhouse, Emma Thompson, and Emily Watson are different actresses not associated with this role.