Question: When was the actor born who starred in Nambia: The Struggle for Liberation and played Roger Murtaugh in the "Lethal Weapon" film series?

 He is well known for his leading role as Roger Murtaugh in the "Lethal Weapon" film series, "The Color Purple" (1985), "To Sleep with Anger" (1990), "Predator 2" (1990), and "Angels in the Outfield" (1994).  He also has prominent supporting roles in "Silverado" (1985), "Witness" (1985), "Saw" (2004), "Shooter" (2007), "2012" (2009), "Death at a Funeral" (2010), "Beyond the Lights" (2014), and "Dirty Grandpa" (2016).  He has appeared in many other movies, television shows, and theatrical productions, and is an active supporter of various humanitarian and political causes. Danny Lebern Glover (born July 22, 1946) is an American actor, film director, and political activist. <SEP>  The film was written and directed by Charles Burnett, the African American filmmaker, and stars Carl Lumbly and Danny Glover. Namibia: The Struggle for Liberation is a 2007 epic film on the Namibian independence struggle against South African occupation as seen through the life of Sam Nujoma, the leader of the South West Africa People's Organisation and the first president of the Republic of Namibia.  The production was financed by the government of Namibia.  Music composed by Stephen James Taylor won the award for Best Music Score at the Kuala Lumpur International Film Festival where the film also won for Best African Film and for Best Director. <SEP> Mel Gibson, AO, is an American actor, director, producer and screenwriter who made his acting debut on the Australian television drama series "The Sullivans" (1976– 1983).  While a student at the National Institute of Dramatic Art in Sydney, he was given an uncredited role in "I Never Promised You a Rose Garden" and subsequently appeared as a leading actor in the micro budget surf drama "Summer City" (both in 1977).  Gibson rose to prominence during the Australian New Wave cinema movement in the early 1980s, having appeared in his breakthrough role in George Miller's dystopian action film "Mad Max" (1979), portraying the eponymous hero.  He reprised the role in its sequels, "Mad Max 2" (1981) and "Mad Max Beyond Thunderdome" (1985).  He appeared in Peter Weir's war drama "Gallipoli" (1981) and the romantic drama "The Year of Living Dangerously" (1982).  Five years later he played Martin Riggs in the buddy cop action comedy "Lethal Weapon" alongside Danny Glovera role he later reprised in its sequels "Lethal Weapon 2" (1989), "Lethal Weapon 3" (1992), and "Lethal Weapon 4" (1998). <SEP> Rene Marie Russo (born February 17, 1954) is an American actress, producer, and former model.  Russo began her career in the 1970s as a fashion model appearing on several magazine covers including "Vogue" and "Cosmopolitan".  She made her film debut in the 1989 comedy film "Major League".  Later, Russo starred in a number of thrillers and action movies throughout the 1990s including "Mr. Destiny" (1990) and "One Good Cop" (1991).  In the 1990s, she played the leading role on "Lethal Weapon 3" (1992), "In the Line of Fire" (1993), "Outbreak" (1995), "Get Shorty" (1995), "Tin Cup" (1996), "Ransom" (1996), "Lethal Weapon 4" (1998), "The Thomas Crown Affair" (1999) and The Adventures of Rocky and Bullwinkle (2000).  After she starred in the family comedy "Yours, Mine and Ours" in 2005, she took a six-year break from acting.