Josh Hartnett is an American actor and producer born on July 21, 1978. He rose to fame in the late 1990s and early 2000s with roles in films like "Pearl Harbor," "Black Hawk Down," and "Lucky Number Slevin." Hartnett's brooding good looks and talent secured him leading roles in both mainstream and independent films. He has since expanded his career to include producing projects and continues to be a respected presence in the industry.