David "Dave" Alpay is an actor, best known for his roles in The Vampire Diaries (2012), Ten for Grandpa (2009) and Ararat (2002).


Alpay received critical acclaim for his leading role in Ararat, for which he received a Genie Award nomination. Alpay returned to his education, declaring his plan to leave the business for a while. In 2006, Alpay played Danny in Man of the Year, starring Robin Williams. He later appeared in some chapters of the second season of The Tudors playing Mark Smeaton, and narrated Ten for Grandpa by director Doug Karr. He has also appeared in episodes of Dollhouse and Fairly Legal.

In 2015, Alpay was cast in the recurring role of hacktivist Duncan Howell on the ABC thriller Quantico.