Jim Carrey is a Canadian-American actor, comedian, and producer who has been in the entertainment industry since the 1980s. He is best known for his comedic roles in films such as Ace Ventura: Pet Detective, The Mask, Dumb and Dumber, and Liar Liar. Carrey's unique brand of physical comedy and slapstick humor has made him one of the most successful and recognizable comedic actors of all time.