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. Add in the line producer credit and you realize this is someone who genuinely understands the industry from multiple angles, not just the side facing the camera.

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)

Zodiac / Chinese zodiac

Sagittarius / Goat

Origin

French River, Nova Scotia, Canada

Occupation

actor / film actor / television actor / line producer

Motto

Private

• Xhttps://x.com/DKlattenhoff
• 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

Tags

• Nova Scotia
• actor
• film actor
• television actor

Last updated

2026-06-02

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.