Name the American actor, film producer and environmentalist activist who co-wrote the '11th Hour', a 2007 documentary film about the state of the natural environment, distributed by Warner Independent Pictures?
Leonardo DiCaprio Leonardo Wilhelm DiCaprio ( ; born November 11, 1974) is an American actor, film producer, and environmental activist. DiCaprio began his career by appearing in television commercials in the late 1980s, after which he had recurring roles in various television series such as the soap opera "Santa Barbara" and the sitcom "Growing Pains". He began his film career by starring as Josh in "Critters 3" (1991). He starred in the film adaptation of the memoir "This Boy's Life" (1993), and was praised for his supporting role in "What's Eating Gilbert Grape" (1993). He gained public recognition with leading roles in "The Basketball Diaries" (1995) and the romantic drama "Romeo + Juliet" (1996), before achieving international fame with James Cameron's epic romance "Titanic" (1997), which became the highest-grossing film of all time until Cameron's science fiction film "Avatar" (2009) overtook it.
Michael Bay Michael Benjamin Bay (born February 17, 1965) is an American filmmaker known for directing and producing big-budget, high-concept action films characterized by fast cutting, stylistic visuals and extensive use of special effects, including frequent depictions of explosions. The films he has produced and directed, which include "Armageddon" (1998), "Pearl Harbor" (2001) and the "Transformers" film series (2007–present), have grossed over US$ worldwide, making him one of the most commercially successful directors in history. He is co-founder of commercial production house The Institute, a.k.a. The Institute for the Development of Enhanced Perceptual Awareness. He co-owns Platinum Dunes, a production house which has remade horror movies including "The Texas Chainsaw Massacre" (2003), "The Amityville Horror" (2005), "The Hitcher" (2007), "Friday the 13th" (2009) and "A Nightmare on Elm Street" (2010).