Sean Astin 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), and Ed in No Good Nick (2019).

The Goonies is a 1985 American adventure comedy film directed and co-produced by Richard Donner from a screenplay by Chris Columbus based on a story by Steven Spielberg and starring Sean Astin, Josh Brolin, Jeff Cohen, Corey Feldman, Kerri Green, Martha Plimpton, and Ke Huy Quan, with supporting roles done by John Matuszak, Anne Ramsey, Robert Davi, Joe Pantoliano and Mary Ellen Trainor. In the film, a group of kids who live in the "Goon Docks" neighborhood of Astoria, Oregon, attempt to save their homes from foreclosure and, in doing so, they discover an old treasure map that takes them on an adventure to unearth the long-lost fortune of One-Eyed Willy, a legendary 17th-century pirate. During the adventure, they are pursued by a family of criminals who want the treasure for themselves.