Claim: Jensen Ackles portrayed Alec/X5-494 in Dark Angel.

Jensen Ross Ackles -LRB- born March 1 , 1978 -RRB- is an American actor and director . He is known for his roles in television as Eric Brady in Days of Our Lives , which earned him several Daytime Emmy Award nominations , as well as Alec/X5 -494 in Dark Angel and Jason Teague in Smallville . He also starred as the lead in the box office success My Bloody Valentine 3D and portrayed Jason Todd in the popular animated film Batman : Under the Red Hood .   Ackles currently stars as Dean Winchester on the CW series Supernatural .