Justin W. Chambers (born July 11, 1970) is an American actor and former Calvin Klein male fashion model. As of 2005, he is starring in the ABC drama series Grey's Anatomy as Dr. Alex Karev. He is also known for his role in the first season of the CBS crime drama series Cold Case. Description above from the Wikipedia article Justin W. Chambers, licensed under CC-BY-SA, full list of contributors on Wikipedia.
The Wedding Planner
(Massimo)
The Zodiac
(Inspector Matt Parish)
The Musketeer
(D'Artagnan)
Leo
(Ryan Eames)
Liberty Heights
(Trey Tobelseted)
Lakeview Terrace
(Donnie Eaton)
Hysterical Blindness
(Rick)
Justice League: The Flashpoint Paradox
(Barry Allen / The Flash (voice))
Broken City
(Ryan Blake)
Southern Belles
(Rhett Butler)
Rose Hill
(Cole Clayborne)
The Ellen DeGeneres Show
(Self)
Jimmy Kimmel Live!
(Self)
The View
(Self)
New York Undercover
Private Practice
(Dr. Alex Karev)
Another World
(Nicholas 'Nick' Hudson #1)
Hallmark Hall of Fame
(Cole)
Swift Justice
Four Corners
(Caleb Haskell)
Grey's Anatomy
(Alex Karev)
Cold Case
(Chris Lassing)
The Offer
(Marlon Brando)
Grey's Anatomy: B-Team
(Alex Karev)
Accused
(Tyler)