Diego Klattenhoff is a Canadian actor celebrated for his compelling performances in television and film. Best known for his roles in Homeland and The Blacklist, he has built a career defined by quiet intensity, grounded characters, and a strong connection to his roots. With over two decades in the industry, Klattenhoff continues to impress audiences with his versatility and professionalism.

Quick Bio

Early Life and Background

Born on November 30, 1979, in French River, Nova Scotia, Diego Klattenhoff grew up on a farm alongside his two brothers. His father, originally from Germany, instilled in him a strong work ethic and appreciation for discipline. Life in rural Nova Scotia shaped Diego’s grounded personality and gave him a deep respect for nature, family, and hard work. These values would later influence the types of roles he gravitated toward—characters with integrity, resilience, and emotional depth.

Education and Artistic Training

At the age of 19, Klattenhoff made a bold move to Toronto to pursue his dream of becoming an actor. While working as a bartender to support himself, he immersed in theater workshops and studied under some of Canada’s most respected acting coaches, including David Rotenberg, Bruce Clayton, and Rae Ellen Bodie. This period of intense training helped him refine his craft and build the foundation for a successful career in film and television.

Career Beginnings

Klattenhoff’s early career was marked by small but meaningful roles in Canadian television. He appeared in series like Doc, Wild Card, and Mutant X, gradually building his resume. His first notable film role came in Mean Girls (2004), where he played Shane Oman, a minor character who still managed to leave an impression. He followed this with appearances in Cube Zero, Smallville, and Stargate SG-1, showcasing his ability to adapt to different genres and formats.

Breakthrough Role in Homeland

In 2011, Diego Klattenhoff landed the role of Mike Faber, a Marine Captain, in Showtime’s critically acclaimed series Homeland. His performance was praised for its emotional complexity and subtle strength. The ensemble cast received a Screen Actors Guild Award nomination, and Klattenhoff’s visibility skyrocketed. His portrayal of a loyal soldier caught in a web of political intrigue and personal conflict demonstrated his range and solidified his place in Hollywood.

The Blacklist and Long-Term Success

Klattenhoff’s most enduring role came in 2013 when he was cast as Donald Ressler, an FBI agent in NBC’s The Blacklist. Over ten seasons, he became a central figure in the show’s success, portraying a character who balanced duty, morality, and vulnerability. His action-thriller persona resonated with fans, and his chemistry with co-stars like James Spader added depth to the series. The role allowed him to explore long-form character development and proved his staying power in the industry.

Other Film and TV Highlights

Beyond his signature roles, Diego Klattenhoff has appeared in a variety of films and television shows. He played Yancy Becket in Pacific Rim (2013), a sci-fi blockbuster directed by Guillermo del Toro. He also had roles in After Earth, Radius, and Lavender, each showcasing a different facet of his acting ability. His guest appearances in series like Supernatural, Psych, 24, and Longmire further demonstrate his versatility and commitment to storytelling.

Age and Physical Appearance

As of 2025, Diego Klattenhoff is 45 years old. He stands at 5’11” and weighs approximately 81 kg. With hazel eyes, dark brown hair, and an athletic build, he carries a quiet charisma that suits both action-packed roles and emotionally driven characters. His physical presence is complemented by a calm intensity that makes him a compelling figure on screen.

Personal Life and Relationships

Despite his public career, Klattenhoff is known for keeping his personal life private. He is married to his college sweetheart, and the couple has one son, born in 2012. He rarely discusses his family in interviews and avoids the spotlight when it comes to his home life. This discretion has helped him maintain a sense of normalcy and protect his loved ones from media scrutiny.

Cultural Identity and Heritage

Proud of his German-Canadian roots, Diego Klattenhoff often speaks about the values he learned growing up in Nova Scotia. His heritage and upbringing have influenced his approach to acting, emphasizing authenticity and emotional truth. He advocates for accurate representation in media and supports projects that reflect diverse cultural experiences. His background gives him a unique perspective that enriches his performances.

Awards and Recognition

Klattenhoff’s work has earned him critical acclaim and industry recognition. His ensemble performance in Homeland was nominated for a Screen Actors Guild Award, and he has been praised for his consistency and professionalism throughout his career. While he may not chase awards, his dedication to craft and character has made him a respected figure among peers and fans alike.

Recent Projects and Future Plans

Following the conclusion of The Blacklist in 2023, Diego Klattenhoff has continued to explore new opportunities. He appeared in Blue Bloods (2024) and is set to star in Tracker (2025), expanding his presence in both Canadian and U.S. productions. He has also expressed interest in working behind the camera, potentially directing or producing future projects. His career remains dynamic, and fans eagerly anticipate what’s next.

Legacy and Cultural Impact

Diego Klattenhoff has built a legacy rooted in integrity, humility, and artistic excellence. Known for portraying strong, grounded characters, he has become a role model for aspiring Canadian actors. His ability to balance fame with a private, authentic life sets him apart in an industry often driven by spectacle. Through his work, he continues to inspire audiences and contribute meaningfully to the world of entertainment.

Conclusion

From a farm in Nova Scotia to the sets of Hollywood, Diego Klattenhoff has carved out a career defined by dedication, talent, and quiet strength. His journey reflects the power of perseverance and the importance of staying true to one’s values. Whether in a sci-fi epic or a gritty drama, Klattenhoff brings depth and humanity to every role, making him one of Canada’s most respected actors.

FAQs

Who is Diego Klattenhoff?
Diego Klattenhoff is a Canadian actor known for his roles in Homeland as Mike Faber and The Blacklist as Donald Ressler. He’s admired for his grounded performances and versatility.

Where was Diego Klattenhoff born?
He was born on November 30, 1979, in French River, Nova Scotia, Canada, and grew up on a farm with his two brothers.

What are Diego Klattenhoff’s most famous roles?
He gained recognition for Homeland, The Blacklist, and Pacific Rim, portraying characters with emotional depth and quiet strength.

Is Diego Klattenhoff married?
Yes, he’s married to his college sweetheart and has a son born in 2012. He keeps his family life private and away from media attention.

What is Diego Klattenhoff’s height and appearance?
He stands at 5’11” (1.80m), weighs around 81 kg, and has dark brown hair with hazel eyes and an athletic build.

What is Diego Klattenhoff’s heritage?
He is of German-Canadian descent, with his father originally from Germany. His upbringing in Nova Scotia shaped his values and work ethic.

Has Diego Klattenhoff won any awards?
He was nominated for a Screen Actors Guild Award for his ensemble work in Homeland and is praised for his consistent performances.

What recent projects has he worked on?
He appeared in Blue Bloods (2024) and Tracker (2025), and is exploring roles behind the camera in both Canadian and U.S. productions.

What kind of characters does he usually play?
Klattenhoff often portrays strong, grounded figures—military officers, FBI agents, and emotionally complex leads in thrillers and dramas.

What makes Diego Klattenhoff stand out in Hollywood?
His authenticity, humility, and ability to balance fame with a private life make him a respected figure and role model in the industry.

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