Sean Astin

Sean Astin

Known For

The Lord of the Rings: The Fellowship of the Ring

Biography

Sean Patrick Astin (born February 25, 1971) is an American film actor, director, and producer better known for his film roles as Mikey Walsh in The Goonies, the title character of Rudy, and Samwise Gamgee in the Lord of the Rings trilogy. In television, he appeared as Lynn McGill in the fifth season of 24. He also provided the voice for the title character in Disney's Special Agent Oso.

Movies Featuring Sean Astin

Pet Investigators

Pet Investigators (2025)

as Jimmy the Butcher / Special Agent Brennan
Love Hurts

Love Hurts (2025)

as Cliff Cussick
The Invisible Raptor

The Invisible Raptor (2024)

as William 'Willie' Walsh
Hero Mode

Hero Mode (2021)

as Jimmy Tisdale
Justice League Dark: Apokolips War

Justice League Dark: Apokolips War (2020)

as Billy Batson / Shazam (voice)
Captain Underpants Epic Choice-o-Rama

Captain Underpants Epic Choice-o-Rama (2020)

as Narrator / Putter Mulligan (voice)
eHero

eHero (2018)

as Richard Brixton
The Lears

The Lears (2017)

as Tom Cornwall
Swing State

Swing State (2017)

as Bob Bernard
Range 15

Range 15 (2016)

as Pilot Grigsby
Stan Lee's Mighty 7

Stan Lee's Mighty 7 (2014)

as Kid Kinergy (voice)
Out West

Out West (2013)

as Cal Calhoun
Addicted to Fame

Addicted to Fame (2012)

as Matt Foster (archive footage)
WWII in HD: The Air War

WWII in HD: The Air War (2010)

as Steve Pisanos (voice)
Alvin and the Chipmunks: The Squeakquel

Alvin and the Chipmunks: The Squeakquel (2009)

as Meerkat Manor Narrator (voice)
Smile

Smile (2005)

as Mr. Matthews
Slipstream

Slipstream (2005)

as Stuart Conway
Party Wagon

Party Wagon (2004)

as Randall P. McDuff / Josiah (voice)
50 First Dates

50 First Dates (2004)

as Doug Whitmore
Icebreaker

Icebreaker (2000)

as Matt Foster
The Long Way Home

The Long Way Home (1997)

as Earl G. Harrison, Commissioner of Immigration and Naturalization (voice)
Harrison Bergeron

Harrison Bergeron (1995)

as Harrison Bergeron
Teresa's Tattoo

Teresa's Tattoo (1994)

as Step-Brother (uncredited)
Rudy

Rudy (1993)

as Daniel E. 'Rudy' Ruettiger
Encino Man

Encino Man (1992)

as Dave Morgan
Toy Soldiers

Toy Soldiers (1991)

as Billy Tepper
Memphis Belle

Memphis Belle (1990)

as Richard "Rascal" Moore
Staying Together

Staying Together (1989)

as Duncan McDermott
Like Father Like Son

Like Father Like Son (1987)

as Clarence / Trigger
Oh, the Guilt

Oh, the Guilt (N/A)

as Dormazestrin Spokesman