Sean Astin (born Sean Patrick Duke; born February 25, 1971) is an American actor. His acting roles include Mikey Walsh in The Goonies (1985), Billy Tepper in Toy Soldiers (1991), Daniel Ruettiger in Rudy (1993), Samwise Gamgee in The Lord of the Rings trilogy (2001–2003), Doug Whitmore in 50 First Dates (2004), Bill in Click (2006), Lynn McGill in the fifth season of 24 (2006), Oso in Special Agent Oso (2009–2012), Raphael in Teenage Mutant Ninja Turtles (2012–2017), Bob Newby in the second season of Netflix's Stranger Things (2017),^[1] and Ed in No Good Nick (2019).