Diego Klattenhoff
Introduction '''Diego Klattenhoff''' (born November 30, 1979) is a Canadian actor known for his portrayals of Mike Faber in the Showtime series ''Homeland'' and as FBI Special Agent Donald Ressler in ''The Blacklist''. He has also appeared as Derek in ''Whistler'', Ivan in ''Men in Trees'' as well as having a minor role in ''Mean Girls'' as Shane Oman.
Early life Klattenhoff was born in French River, Nova Scotia, Canada. He moved to Toronto at the age of 19 to pursue an acting career. For a number of years, he worked as a bartender while studying in theater workshops. His father was originally from Germany and settled in Canada before Klattenhoff was born.
Career Klattenhoff studied with some of Canada's most respected acting coaches, including David Rotenberg, Bruce Clayton and Rae Ellen Bodie. His first notable acting role was in ''Mean Girls'' (2004). He followed that with a string of appearances in notable TV shows like ''Smallville'' and ''Stargate SG-1'', and films like ''Lucky Number Slevin'' (2006). Since 2006, he has been in recurring roles like Young Jacob in CBC Television's ''At the Hotel'', Derek in CTV's ''Whistler'', Ivan Palacinke in ABC's ''Men in Trees'' and Mike Callahan in NBC's ''Mercy''.Klattenhoff appeared in ''Homeland'' as Mike Faber, a Marine Captain whose best friend returns to the U.S. after disappearing in Iraq eight years earlier. He and the cast were nominated once for a Screen Actors Guild Award for Best Cast, and twice for a PAAFTJ Television Awards for Best Cast in a Drama Series. He has also guest starred on television series such as ''Psych'', ''Supernatural'', ''24'', and ''Falling Skies''.Klattenhoff starred in J. J. Abrams' television film ''Anatomy of Hope'' and appeared in the Guillermo del Toro film ''Pacific Rim'' (2013) and the sci-fi thriller ''After Earth'' (2013). In March 2013, Klattenhoff joined the cast of the NBC thriller ''The Blacklist'', as FBI Special Agent Donald Ressler. The show premiered on September 23, 2013, to 12.6 million viewers. Klattenhoff starred in the Canadian science fiction film ''Radius'' (2017).
Filmography ===Film=== Year Title Role Notes 2002 ''Straight in the Face'' Daniel Short film 2003 ''Autobiography of an Insect'' Cameron Short film 2003 ''Blessings'' Benny Television movie 2003 ''Family Curse''  Television movie 2004 ''Mean Girls'' Shane Oman  2004 ''Cube Zero'' Quigley  2005 ''Ice Princess'' Kyle Dayton  2005 ''Murder in the Hamptons'' Traffic Cop Television movie 2005 ''The Last Hit'' Sasha  2005 ''Dry Whiskey'' Terry Short film 2005 ''Shania: A Life in Eight Albums'' Paul Television movie 2005 ''Recipe for a Perfect Christmas'' Zach Television movie 2005 ''Yesteryears''  Television movie 2006 ''Lucky Number Slevin'' Ginger  2006 ''Fallen'' Nathaniel Uncredited 2006 ''Firestorm: Last Stand at Yellowstone'' Willis Lee Television movie 2007 ''Fire Serpent'' Young Dutch Television movie 2008 ''Lost Behind Bars'' Charlie Quinn Television movie 2008 ''The Informers'' Dirk  2009 ''Anatomy of Hope'' Brendan Casey Television movie 2010 ''The Dry Land'' Henry 2012 ''Unconditional'' Billy  2013 ''Kilimanjaro'' Troy  2013 ''After Earth'' Veteran Ranger  2013 ''Pacific Rim'' Yancy Becket  2016 ''Lavender'' Alan 2017''Radius''Liam===Television=== Year Title Role Notes 2001–2002 ''Doc'' Jason 2 episodes 2002 ''Witchblade'' ''Uncredited'' Episode: "Destiny" 2003 ''Wild Card''  Episode: "Pilot" 2003 ''Mutant X'' Janitor #1/Johnny Cummings Episode: "Shadows of Darkness" 2003 ''Veritas: The Quest'' Tymus Episode: "Avalon" 2004 ''1-800-Missing'' Brad Whitman Episode: "One Night Stand" 2004 ''Sue Thomas: F.B.Eye'' Jason Albright Episode: "The Bounty Hunter" 2005 ''Smallville'' Josh Greenfield Episode: "Krypto" 2005 ''Stargate SG-1'' Team Leader Episode: "Ex Deus Machina" 2006 ''At the Hotel'' Young Jacob 6 episodes  Recurring role (Season 1) 2006 ''Psych'' Dylan Maxwell Episode: "Speak Now or Forever Hold Your Piece" 2006 ''Supernatural'' Duane Tanner Episode: "Croatoan" 2007 ''Whistler'' Derek 12 episodes  Recurring role (Season 2) 2008 ''Men in Trees'' Ivan Palacinke 6 episodes  Recurring role (Season 2) 2009 ''The Listener'' Tom Crawford Episode: "Emotional Rescue" 2009 ''ER'' Jay Episode: "Shifting Equilibrium" 2009 ''24'' Sergeant Cadden 2 episodes 2009–2010 ''Mercy'' Mike Callahan 22 episodes  Main role (Season 1) 2011 ''Falling Skies'' Lieutenant Danner Episode: "Mutiny" 2012 ''Longmire'' Eli Episode: "The Cancer" 2011–2013 ''Homeland'' Mike Faber  25 episodes Main role (Seasons 1–2)  Guest role (Season 3) Nominated—Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series 2013–2023 ''The Blacklist'' Donald Ressler 218 episodes  Main role (Seasons 1–Season 10)
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