Biography
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
Complete Filmography

Radius
2017
as Liam
Liam wakes from a car crash with no memory of who he is. As he makes his way into town to look for help, he finds only dead bodies, all with strange p...

Lavender
2016
as Alan Rutter
A photographer struggling with memory loss discovers her pictures may indicate something sinister is hitting close to home.

Pacific Rim
2013
as Yancy Becket
Using massive piloted robots to combat the alien threat, earth's survivors take the fight to the invading alien force lurking in the depths of the Pac...

After Earth
2013
as Veteran Ranger
One thousand years after cataclysmic events forced humanity's escape from Earth, Nova Prime has become mankind's new home. Legendary General Cypher Ra...

Kilimanjaro
2013
as Troy
For years, Doug Collins has been wading through a routine unsatisfying job and an increasingly miserable relationship. After his girlfriend moves out,...

Unconditional
2012
as Billy
Samantha Crawford is living a storybook life: she’s happily married, she lives on a ranch where she keeps her beloved horse, and the stories she’s tol...

The Dry Land
2010
as Henry
A U.S. soldier returning home from war struggles to reconcile his experiences abroad with the life and family he left in Texas.

Anatomy of Hope
2009
as Brendan Casey
Medical drama based on the lives of cancer patients. Based on Jerome Groopman's "The Anatomy of Hope: How People Prevail in the Face of Illness."

The Informers
2008
as Dirk
A collection of intersecting short stories set in early 1980s Los Angeles, depicts a week in the lives of an assortment of socially alienated, mainly ...

Lost Behind Bars
2008
as Charlie Quinn
A reporter tracing the effect of the death penalty stumbles across a murder mystery and a potentially innocent man set for execution.

Fire Serpent
2007
as Young Dutch
Alien creatures emerge from the sun and attack Earth.

Firestorm: Last Stand at Yellowstone
2006
as Willis Lee
When a freakishly hot summer at Yellowstone National Park creates the perfect conditions for the largest forest fire in American History... Look out!

Fallen
2006
as Nathaniel (uncredited)
For high schooler Aaron Corbett, turning 18 means becoming not just a man but a nephilim, too -- half human, half angel, with supernatural abilities.

Recipe for a Perfect Christmas
2005
as Zach
The holiday season is turned upside down for a neophyte food critic JJ (Pope) when her uninhibited mother (Baranski) shows up unannounced. In an attem...
The Last Hit
2005
as Sasha
Coco is a professional assassin and has one shot to make things straight, but who will be the target?

Murder in the Hamptons
2005
as Traffic Cop
After multi-millionaire Ted Ammon is found bludgeoned to death at his East Hampton estate, the fingers point to his estranged wife, Generosa Rand, and...

Ice Princess
2005
as Kyle Dayton
With the help of her coach, her mom, and the boy who drives the Zamboni, nothing can stop Casey Carlyle from realizing her dream to be a champion figu...

Cube Zero
2004
as Quigley
A young programmer whose job is to watch over the reality-warping Cube defies orders to rescue an innocent mother trapped in one of its rooms.

Mean Girls
2004
as Shane Oman
Cady Heron is a hit with The Plastics, the A-list girl clique at her new school, until she makes the mistake of falling for Aaron Samuels, the ex-boyf...

Blessings
2003
as Benny
Released from jail after a term basically served instead of friends he refused to rat out, Charles 'Skip' Cuddy is grateful his gentleman instinct get...

Autobiography of an Insect
2003
as Cameron
A shy comic book artist falls in love with his teacher.

Straight In The Face
2002
as Daniel
Long-term couple Steve and Elias are undergoing a relationship shift and discovering the complications of a non-monogamous arrangement. In the meanwhi...