ActingAleks HoltzKnown forSupernatural2005DRAMASmallville2001SCI-FIPsych2006DRAMAStargate Atlantis2004SCI-FIFull filmographySupernatural2005DRAMASmallville2001SCI-FIPsych2006DRAMAStargate Atlantis2004SCI-FIContinuum2012SCI-FIV2009SCI-FI