Mackenzie Alexander Astin (born May 12, 1973) is an American actor.

Filmography

• Stick — Gary Wheeler
• The Pitt — Jereme Spencer
• 2025The Short Game — John Avery
• Landman — Detective Hayes
• Love & Death — Tom O'Connell
• 2022Garbage Pail Kids in Mad Mike: Fury Load — Corroded Carl
• 2022Safe Room — Dominic
• Mayor of Kingstown — Barry Chester
• 2021Montford: The Chickasaw Rancher — Lt. Pratt
• Teenage Bounty Hunters — Anderson Wesley
• The Loudest Voice — John Moody
• 2018Remember the Sultana — Captain J. Walter Elliott / Private George Clarkson (voice)
• 2018The Maestro — Sam Herst
• You — Gil Brigham
• 2017Do You Take This Man — Jacob
• 2017Te Ata — Dr. Clyde Fisher
• The Orville — Orrin Channing
• 2016Change of Heart — Eric
• 2016Moments of Clarity — Pastor Paul
• 2016Welcome to the Men's Group — Tom
• 2016Windsor — Harry Barnett
• 2015Daddy — Paul
• Rosewood — Dr. Max Cahn
• 2015Stag Hunt
• The Magicians — Richard
• The Player
• How to Get Away with Murder — Noah Baker
• Murder in the First — Bob Groff
• Scorpion — Leonard
• The Night Shift — Mr. Edwards
• 2013Lonely Boy — Bob
• Marvel's Agents of S.H.I.E.L.D. — Tim Maguire
• 2013Miracle at Gate 213 — Mike
• The Blacklist — Jonathan Pritchard
• The Hustle — Brian
• 2013Zombeo & Juliécula — George
• 2012Blackout — Mark Daniels
• 2012Elf-Man — Eric
• 2012Hell and Mr Fudge — Edward Fudge
• Scandal — Noah Baker
• 2012Singled Out — Ethan
• Touch — Mr. Kane
• Franklin & Bash — Seth
• Homeland — Bill Dunn
• Shameless — Tyler
• Hawaii Five-0 — Bradley Richmond
• Rizzoli & Isles — Professor Rick Clark
• The Defenders — Paparazzo
• Castle — Phillip Bartlett
• 90210 — Doctor
• Mad Men — Cliff Baur
• Private Practice — Dan Meyer
• 2007The Final Season — Chip Dolan
• 2006Duncan Removed — Duncan
• 2006In from the Night — Rob Miller
• Justice — Robert Jones
• 2006Military Intelligence and You!
• Pepper Dennis — Ken Alston
• Psych — Jason Cunningham
• Bones — Dr. Ivan Jacobs
• Grey's Anatomy — Danny Wilson
• My Name Is Earl — Brandon
• House — Alan Alston
• Lost — Tom Brennan
• 2004Love's Enduring Promise — Grant Thomas
• 2004Off the Lip — Brad
• 2003How to Deal — Lewis Warsher
• NCIS — Michael Rose
• 2003Two Days — Stephen Bell
• 2003Welcome 2 Ibiza — Nick
• 2002The Month of August — Nick
• Without a Trace — Charles Beckworth
• First Years — Warren Harrison
• 2001Laughter on the 23rd Floor — Lucas
• 2001The Zeros — Joe
• 2000Stranger Than Fiction — Jared
• 1999Selma, Lord, Selma — Jonathan Daniels
• 1999The Mating Habits of the Earthbound Human — The Male
• 1998The Last Days of Disco — Jimmy
• 1998The Long Island Incident — Kevin McCarthy
• 1996Dream for an Insomniac — David Shrader
• 1996In Love and War — Henry Villard
• 1996The Evening Star — Teddy Horton
• 1996Widow's Kiss — Sean Sager
• 1995Harrison Bergeron — Golf Champion (uncredited)
• The Outer Limits — Patrick Tarloff
• 1994Iron Will — Will Stoneman
• 1994Wyatt Earp — Francis O'Rourke
• 1992A Child Lost Forever: The Jerry Sherwood Story — Dennis Sherwood
• Brooklyn Bridge
• 1987The Facts of Life Down Under — Andy Moffett
• 1987The Garbage Pail Kids Movie — Dodger
• 1985I Dream of Jeannie... Fifteen Years Later — T.J. Nelson
• 1985The NBC All Star Hour: Let's All Be There
• Finder of Lost Loves — Jeremy Warren
• Hotel
• 1982Lois Gibbs and the Love Canal — Tony Belinski
• The Facts of Life — Andy Moffett
• Hallmark Hall of Fame — Rob Miller

Appearances as themselves (1)

• 201730 Years of Garbage: The Garbage Pail Kids Story — Self