Harrington has appeared in three short documentary videos with Wrong Turn co-star Eliza Dushku: Eliza Dushku: Babe in the Woods, Fresh Meat: The Wounds of 'Wrong Turn', and Stan Winston: Monster Mogul.
In 2004, Desmond won Best Actor at the Málaga International Week of Fantastic Cinema for Love Object. In 2009, he shared a Screen Actors Guild nomination for Outstanding Performance by an Ensemble in a Drama Series with his Dexter castmates.
Desmond starred in three TV shows alongside Robert John Burke, but their characters never meet each other, but still somehow they are connected. All three shows were shot in New York - Kidnapped, Rescue Me and Gossip Girl.
His grandmother name is Maureen, although is not clear on wich side is his grandmother, maternal or paternal.
He went to Fordham Preparatory School, in New York City.
Under his black rose tattoo in his right arm, he has another tattoo with the name of his grandmother Maureen.
He dated actress Jennifer Meyer in the year 2002.
Desmond was born in Georgia but he moved to New York when he was three years old.
Film, Video, and TV Movie Credits:
• Life Is Hot in Cracktown (2009) as Benny
• TiMER (2009) as Dan the Man
• Exit Speed (2008) as Sam Cutter
• Fort Pit (2007) (TV) as Mike Sokeletski
• Bottoms Up (2006) (V) as Rusty #1
• Taphephobia (2006) as Mike Hollister
• Mas$holes (2000)
• Boiler Room (2000) (uncredited) as JP Marlin Trainee
• Drop Back Ten (2000) as Spanks Voley
Desmond is 5'10".
In 2002, Desmond made his television debut as Jesse Keys in the miniseries Taken.
Desmond has been living in Los Angeles, California. (2009)
He was named one of E! Online's "Sizzlin' 16" in 2002.
Desmond has a pitbull named Ike.
Desmond: (recalling a moment with Penny Marshall when they filmed "Riding with Boys") I remember one scene where I walk in and had to bring a casserole and put it on a table, and she said, 'Let's go again' and I walked out with the cameras rolling and she's like, 'The casserole, asshole.' (laughing). I just looked back and said, 'Oh, the mouth on you' like that, just right back at her. She takes that, which is great because you don't feel like you are walking away with this person just talking smack behind your back.
Desmond: (on what learned about acting when he worked with Penny Marshall) The thing is that you learn it's not such a serious business. It's just the end of the day - it's not the end of the world.
Desmond: (on the evil that men do) There is no original sin. You don't have to pay repentance to anything or anybody. And if somebody up there's telling me otherwise, f*ck them, 'cause I'm not wearin' a hair shirt for anybody.
Desmond: (on being cast in We Were Soldiers opposite "Mel Gibson"): I could have taken a bigger role in a smaller movie, but for me it's never about the size of the role. I figured I could really learn something.