Mackenzie Alexander Astin (born May 12, 1973) is an American actor.
Grey's Anatomy
2005 · Danny Wilson
NCIS
2003 · Michael Rose
Lost
2004 · Tom Brennan
House
2004 · Alan Alston
The Blacklist
2013 · Jonathan Pritchard
Shameless
2011 · Tyler
Bones
2005 · Dr. Ivan Jacobs
Hawaii Five-0
2010 · Bradley Richmond
Castle
2009 · Phillip Bartlett
Homeland
2011 · Bill Dunn
The Pitt
2025 · Jereme Spencer
You
2018 · Gil Brigham
Psych
2006 · Jason Cunningham
Mad Men
2007 · Cliff Baur
Landman
2024 · Detective Hayes
Marvel's Agents of S.H.I.E.L.D.
2013 · Tim Maguire
Scorpion
2014 · Leonard
Rizzoli & Isles
2010 · Professor Rick Clark
