<Tr> <Th> Relatives </Th> <Td> Mackenzie Astin (half - brother) </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.seanastin.com </Td> </Tr> <P> Sean Patrick Astin (né Duke; born February 25, 1971) is an American actor, voice actor, director and producer . His notable acting roles include Samwise Gamgee in The Lord of the Rings trilogy (2001--2003), Mikey Walsh in The Goonies (1985), Daniel "Rudy" Ruettiger in Rudy (1993), and Bob Newby in the second season of Stranger Things (2017). </P> <P> Astin was born in Santa Monica, California, the son of actress Patty Duke (1946--2016). At the time, it was erroneously reported that entertainer Desi Arnaz Jr. was his biological father . When Michael Tell, a writer, music promoter and publisher of the newspaper The Las Vegas Israelite, came to sublet her apartment and offered to marry her as a way out of the scandal, Duke agreed . The marriage lasted only 13 days in 1970, and ended long before Astin was born . </P>

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