Timothée Hal Chalamet (born December 27, 1995) is an American actor.

He began his career appearing in the drama series Homeland in 2012. Two years later, he made his film debut in the comedy-drama Men, Women & Children and appeared in Christopher Nolan's science fiction film Interstellar. He came into attention in Luca Guadagnino's coming-of-age film Call Me by Your Name (2017). Alongside supporting roles in Greta Gerwig's films Lady Bird (2017) and Little Women (2019), he took on starring roles in Beautiful Boy (2018) and Dune (2021).