Diego Klattenhoff (born 1979) is a Canadian actor best known for playing Mike Faber in the Showtime series Homeland. He also played Derek in Whistler and Ivan in Men in Trees.
Klattenhoff was born around Nova Scotia, Canada. When he was young, he wanted to be a professional baseball player. Moving to Toronto at the age of 19, Klattenhoff started to pursue an acting career. While studying in theater workshops for a number of years, he adapted to the Toronto life-style while being a bartender. He likes various physical activities in his free time, including playing baseball, hockey, golf and swimming.
Diego Klattenhoff studied with some of Canada's most respected acting coaches, including David Rotenberg, Bruce Clayton and Rae Ellen Bodie. Klattenhoff's first notable acting role was in Mean Girls, starring Lindsay Lohan and Rachel McAdams. He followed that with a string of appearances in notable TV shows like Smallville and Stargate SG-1, and films like Lucky Number Slevin.