Biography

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

Filmography

Acting

View Grey's Anatomy

Grey's Anatomy

2005•Series•

8.2

View NCIS

NCIS

2003•Series•

7.6

View House

House

2004•Series•

8.6

View Bones

Bones

2005•Series•

8.2

View Shameless

Shameless

2011•Series•

8.2

View Lost

Lost

2004•Series•

7.9

View The Blacklist

The Blacklist

2013•Series•

7.6

View Castle

Castle

2009•Series•

8.0

View Hawaii Five-0

Hawaii Five-0

2010•Series•

7.7

View The Pitt

The Pitt

2025•Series•

8.7

View Homeland

Homeland

2011•Series•

7.6

View Marvel's Agents of S.H.I.E.L.D.

Marvel's Agents of S.H.I.E.L.D.

2013•Series•

7.5