**Joaquin Phoenix** (born October 28, 1974) is an American actor and producer, celebrated for his versatility and the intensity of his performances.

His film career is studded with memorable roles, ranging from Commodus in *Gladiator* (2000), for which he earned his first Academy Award nomination, to the acclaimed performance as Johnny Cash in *Walk the Line* (2005). Phoenix is known for his predilection for complex and often tormented characters, as demonstrated in auteur films such as Paul Thomas Anderson's *The Master* (2012) and Spike Jonze's *Her* (2013).

The pinnacle of his career came with *Joker* (2019), for which he won the Academy Award for Best Actor, masterfully portraying the evolution of Arthur Fleck. His style is distinguished by his dedication to roles and his ability to fully immerse himself, imbuing characters with remarkable psychological depth.