Ralph George Macchio (born November 4, 1961) is an American businessman, entrepreneur, actor, producer, director and author. He is best known for his roles as Daniel LaRusso in the Karate Kid series, Billy Gambini in My Cousin Vinny, and Johnny Cade in The Outsiders. He is also known to American television audiences for his season five recurring role as Jeremy Andretti on the comedy-drama Eight Is Enough. He competed on the twelfth season of Dancing with the Stars.

KNOWN FOR

Watch What Happens Live with Andy Cohen
2012
The Tonight Show Starring Jimmy Fallon
2022
The Late Show with Stephen Colbert
2022
The Daily Show
2022
The Kelly Clarkson Show
2025
Conan
2020
Law & Order: Criminal Intent
2010
The View
2022
Jimmy Kimmel Live!
2024
LIVE with Kelly and Mark
2021
How I Met Your Mother
2013
Dancing with the Stars
2011

FILMOGRAPHY

All
Movies
TV
Acting
78
Directing
3
Writing
3
Producing
2
2026
The Girl in the River
as Colin Ripley
2025
Karate Kid: Legends
as Daniel LaRusso
2025
The One Show
as Self
2025
The Kelly Clarkson Show
as Self - Guest
2025
Last Meals
as Self
2024
Jake Paul vs. Mike Tyson
as Self
2024
Cobra Kai: Inside the Dojo
as Self
2024
Dinner Time Live with David Chang
as Self
2024
Jimmy Kimmel Live!
as Self - Guest
2022
Steve Vai - His First 30 Years: The Documentary
as Self (archive footage)
2022
Beyond the Bonsai
2022
The Late Show with Stephen Colbert
as Self
2022
The View
as Self - Guest
2022
The Tonight Show Starring Jimmy Fallon
as Self
2022
The Daily Show
as Self
2022
The Tonight Show Starring Jimmy Fallon
as Self - Guest
2021
More Than Miyagi: The Pat Morita Story
as Self
2021
LIVE with Kelly and Mark
as Self - Guest
2021
The Netflix Afterparty
as Self
2021
The Drew Barrymore Show
as Self
2021
MTV Movie & TV Awards
as Self - Presenter
2020
Reunited Apart
as Self
2020
Conan
as Self - Guest
2018
A Dog and Pony Show
as Aaron
2018
Cobra Kai
as Daniel LaRusso
2017
John G. Avildsen: King of the Underdogs
as Self
2017
Lost Cat Corona
as Dominic
2017
Psych: The Movie
as Nick Conforth
2017
Comic Book Men
as Self
2017
Whose Line Is It Anyway?
as Self
2017
The Deuce
as Officer Haddix
2016
Comedy Central Roast of Rob Lowe
as Self
2016
Comedy Central Roasts
as Self
2015
The Real Miyagi
as Daniel LaRusso (archive footage)
2015
I Hate Christian Laettner
as Daniel LaRusso (archive footage)
2014
A Little Game
as Tom Kuftinec
2014
Psych
as Logan Phelps
2013
He's Way More Famous Than You
as Ralph Macchio
2013
Across Grace Alley
as Father
2013
How I Met Your Mother
as Ralph Macchio
2012
Hitchcock
as Joseph Stefano
2012
The Ballad Of Danko Jones
as Dr. Lee Dorian
2012
Holiday Spin
as Ruben
2012
Watch What Happens Live with Andy Cohen
as Self - Guest
2011
His Way
as Self
2011
Dancing with the Stars
as Self - Contestant
2010
Wax On, Fuck Off
as Self
2010
Psych
as Nick Conforth
2010
Law & Order: Criminal Intent
as Louis Marciano
2009
Rosencrantz and Guildenstern Are Undead
as Bobby Bianchi
2008
Ugly Betty
as Archie Rodriguez
2007
Head Case
as Self
2006
Beer League
as Maz
2005
The Way of The Karate Kid
as Self / Daniel
2005
Staying Gold: A Look Back at 'The Outsiders'
as Self
2005
Entourage
as Ralph Macchio
2003
A Good Night to Die
as Donnie
2000
Twice in a Lifetime
as Officer Dan Payello / Phillip Barbosa
1999
The Secret of NIMH 2: Timmy to the Rescue
as 17 Year Old Tim (voice)
1999
Can't Be Heaven
as Hubbie
1999
The Outer Limits
as Dr. Neal Eberhardt
1993
Naked in New York
as Chris
1993
The Last P.O.W.? The Bobby Garwood Story
as Robert Garwood
1992
My Cousin Vinny
as Bill Gambini
1991
Too Much Sun
as Frank, Jr.
1989
The Karate Kid Part III
as Daniel
1988
Distant Thunder
as Jack Lambert
1986
The Karate Kid Part II
as Daniel
1986
Crossroads
as Eugene Martone
1984
The Karate Kid
as Daniel
1984
Teachers
as Eddie Pilikian
1984
The Three Wishes of Billy Grier
as Billy Grier
1983
The Outsiders
as Johnny Cade
1982
High Powder
as Eddie
1982
Dangerous Company
as Denny Brody
1980
Up the Academy
as Chooch Bombalazzi
1980
Eight Is Enough
1980
Eight Is Enough
as Jeremy Andretti