Diego Klattenhoff is a Canadian actor known for his portrayals of Mike Faber in the Showtime series Homeland and as FBI Agent Donald Ressler in The Blacklist. He has also appeared as Derek in Whistler and Ivan in Men in Trees.

KNOWN FOR

Supernatural
2006
The Blacklist
2013
Smallville
2005
24
2009
Blue Bloods
2024
Homeland
2011
Psych
2006
Tracker
2025
Longmire
2012
The Listener
2009
Mutant X
2003
Mean Girls
2004

FILMOGRAPHY

All
Movies
TV
Acting
38
Directing
1
2025
Tracker
as Roger McLaren
2024
Blue Bloods
as Officer Michael Tate
2017
Radius
as Liam
2016
Lavender
as Alan Rutter
2013
Pacific Rim
as Yancy Becket
2013
After Earth
as Veteran Ranger
2013
Kilimanjaro
as Troy
2013
The Blacklist
as Donald Ressler
2012
Unconditional
as Billy
2012
Longmire
as Eli
2011
Homeland
as Mike Faber
2010
The Dry Land
as Henry
2009
Mercy
as Mike Callahan
2009
The Listener
as Tom Crawford
2009
24
as Sergeant Cadden
2008
Lost Behind Bars
as Charlie Quinn
2008
The Informers
as Dirk
2008
Men in Trees
as Ivan Palacinke
2007
Fire Serpent
as Young Dutch
2007
Whistler
as Derek
2006
Firestorm: Last Stand at Yellowstone
as Willis Lee
2006
Fallen
as Nathaniel (uncredited)
2006
Supernatural
as Duane Tanner
2006
Psych
as Dylan Maxwell
2005
Murder in the Hamptons
as Traffic Cop
2005
The Last Hit
as Sasha
2005
Ice Princess
as Kyle Dayton
2005
Recipe for a Perfect Christmas
as Zach
2005
Smallville
as Josh Greenfield
2005
Sue Thomas: F.B.Eye
as Jason Albright
2004
Cube Zero
as Quigley
2004
Mean Girls
as Shane Oman
2003
Autobiography of an Insect
as Cameron
2003
Blessings
as Benny
2003
Mutant X
as Johnny
2003
Veritas: The Quest
as Tymus
2003
Wild Card
as Frat Boy
2002
Straight In The Face
as Daniel