Trivia

Was a world-class arm wrestler until he stopped competing in 1995, although he still wrestles for fun.

Early in his career, he modeled and starred in commercials, including one of the first commercials for L.A. Gear. He also appeared in a Pringles spot with a then-unknown actor named Brad Pitt.

Johnson is dyslexic (according to the documentary "Under The Skin" on The Shield (2002)'s season four DVD), and has worked very hard to overcome his learning difficulties. Although reading is still one of the hardest things for him to do, Johnson regards it as a challenge, and often has someone read scripts aloud to him. This helps him learn lines very quickly.

He originally auditioned for the role of ill-fated Terry Crowley on The Shield (2002), which ultimately went to Reed Diamond. Fortunately for Johnson, series creator Shawn Ryan was so impressed with his audition that the role of Curtis Lemansky was created especially for him.

Originally read for the part of Earl in Saving Grace (2007), but ended up playing the emotionally conflicted cop, boyfriend and partner Ham Dewey to Holly Hunter's title character, Grace Hanadarko.

Although he played the youngest member of the Strike Team on The Shield (2002), he is, in fact, the oldest. He is older than Michael Chiklis by a month and a half.

Played collegiate football and baseball at Central Connecticut University and sustained a cracked vertebrae in his back.

He and Casper Van Dien are best friends. He also includes Walton Goggins and Michael Chiklis as his close personal friends.

Welcomed a baby girl with wife Cathleen Johnson on May 6, 2009. Their daughter, Angelica Scarlet Johnson, was born in Los Angeles, California.

Married Cathleen Johnson on December 21, 2005 in Maui, Hawaii.

Has appeared in two different shows on the network FX.