Diego Klattenhoff is having a moment. His time in NBC’s The Blacklist has helped his name soar to the top of the Google charts. Before Klattenhoff snagged the role of FBI Agent, Donald Ressler, he ...

Friday's episode of The Blacklist, "Brothers," will be a unique episode of the NBC crime drama seven seasons in the making. It will show us more of Special Agent Donald Ressler's (Diego Klattenhoff) ...

Season 9 of NBC's The Blacklist will resume with an episode all about Donald Ressler (Diego Klattenhoff). Titled "Between Sleep and Awake," the hour will feature a series of flashbacks to the time ...

The Blacklist Season 9 returned with a new episode on Jan. 6. This time, fans were taken back in time to Donald Ressler dealing with the aftermath of Liz Keen’s death. Episode 7, “Between Sleep & ...

The Blacklist Season 9 jumped ahead two years after Liz Keen’s death. Losing Liz deeply affected Red and the task force and Ressler has been having an especially tough time. When fans first saw ...

Diego Klattenhoff isn’t a familiar Hollywood name. But, his presence in The Blacklist is a necessary one. As FBI Agent Donald Ressler, Klattenhoff helps capture some of the world’s most elusive ...

The Blacklist Season 9 finally returned for episode 6. The new episode was a rollercoaster ride of emotion for fans’ favorite characters. However, an important member of the task force was noticeably ...

Christina Radish is the Senior Entertainment Reporter at Collider. Having worked at Collider for over a decade (since 2009), her primary focus is on film and television interviews with talent both in ...

After diving into Harold Cooper’s (Harry Lennix) past in Kuwait earlier this season, The Blacklist is giving Agent Ressler (Diego Klattenhoff) an episode to explore what led him to the FBI in ...

Diego Klattenhoff is best known for his role as Brody’s marine buddy Mike Faber on “Homeland.” But he’ll find a whole new way to serve his country this fall: playing FBI agent Donald Ressler on NBC’s ...

‘Homeland” fans freaked out last January when they learned that Diego Klattenhoff, who played Mike Faber on the Showtime series, would not be returning as a regular. But their despair turned to joy ...

When it comes to secrets and betrayal, the relationships on Showtime's Emmy-winning Homeland are about as complicated as the clandestine operations of the National Counterterrorism Center on which the ...