Fans erupted in yelling as the Wonka star crashed the event in New York City.
During a brief visit to Washington Square Park, Chalamet was spotted posing for photos with his curly-haired doppelgängers.
The mob, which included hundreds of people, was moved by the city’s police.
According to Variety, Chalamet used a mask and baseball hat to slink through the crowd before approaching two imitators who were posing for pictures, causing cries across the park.
Additionally, contestants were questioned about their proficiency in French, their goals to improve the world, and their love intents with Kylie Jenner, the star.
Before he threw candy from a briefcase to the audience, Miles Mitchell, 21, of Staten Island, who was wearing a Willy Wonka costume, was declared the winner.