Sean Patrick Astin is an American actor. His acting roles include Samwise Gamgee in The Lord of the Rings trilogy , Mikey Walsh in The Goonies (1985), Daniel Ruettiger in Rudy (1993), 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 and third seasons of Netflix's Stranger Things (2017; 2019),[1] and Ed in No Good Nick (2019).