Diego Klattenhoff

Diego Klattenhoff is one of those actors who quietly does excellent work while the flashier names around him get all the press, and honestly that kind of understated reliability is its own superpower. Growing up in French River, Nova Scotia — about as far from Hollywood as you can get — he built a career the slow, grinding way, popping up in Mean Girls before landing serious dramatic real estate in Homeland as Mike Faber and then a long run as Donald Ressler in The Blacklist. That Blacklist gig especially showed what he's capable of: holding down a procedural lead week after week, giving Ressler actual emotional range instead of just playing the stiff FBI guy.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Name (English)

Diego Klattenhoff

Name (Japanese)

ディエゴ・クラテンホフ

Reading

でぃえご・くらてんほふ

Born

November 30, 1979 (age 46)

Origin

French River, Nova Scotia, Canada

Occupation

actor / film actor / television actor / line producer

Zodiac / Chinese zodiac

Sagittarius / Goat

• Xhttps://x.com/DKlattenhoff
• Wikipedia (English)https://en.wikipedia.org/wiki/Diego%20Klattenhoff
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E3%83%87%E3%82%A3%E3%82%A8%E3%82%B4%E3%83%BB%E3%82%AF%E3%83%A9%E3%83%86%E3%83%B3%E3%83%9B%E3%83%95
• Wikidatahttps://www.wikidata.org/wiki/Q3027407

Tags

• Nova Scotia
• actor
• film actor
• television actor

Last updated

October 18, 2026

Only publicly available facts are listed; non-public or unconfirmed items are omitted. Base data was compiled from Wikidata from June 2026 onward; ages are recalculated daily and deaths are checked against Wikidata on an ongoing basis. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.