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.
Supernatural
Series • 2005
Smallville
Series • 2001
The Blacklist
Series • 2013
Blue Bloods
Series • 2010
24
Homeland
Series • 2011
Tracker
Series • 2024
Psych
Series • 2006
Longmire
Series • 2012
The Listener
Series • 2009
Sue Thomas: F.B.Eye
Series • 2002
Mutant X
Mean Girls
Movie • 2004
Pacific Rim
Movie • 2013
Men in Trees
Wild Card
Series • 2003
Mercy
After Earth
Veritas: The Quest
Ice Princess
Movie • 2005
Cube Zero
Radius
Movie • 2017
The Informers
Movie • 2008
Fallen
Movie • 2006
Lavender
Movie • 2016
Kilimanjaro
Unconditional
Movie • 2012
Fire Serpent
Movie • 2007
Recipe for a Perfect Christmas
The Dry Land
Movie • 2010