Dekker, 21, is best known for his work on the recently canceled TV series "The Sarah Connor Chronicles."
The actor was arrested Oct. 14 after he allegedly struck a bicyclist with his car.
"He was charged with our standard DUI counts --driving under the influence and driving with a blood-alcohol level of 0.08 or above," Frank Mateljan, Los Angeles city attorney spokesman, told E! News Tuesday.
Celebrity Families of 2014 [PHOTOS]