VIDEO : Dolph Lundgren to Play Konstantin Kovar in New 'Arrow' Episode

The CW has released a synopsis for an upcoming episode of 'Arrow' titled "Vigilante," revealing that Dolph Lundgren has been enlisted to play the character Konstantin Kovar. The synopsis reads, "The team is split about whether they should stop someone who is helping keep the city safe. Diggle is frustrated with his new situation and Thea fights for Lance who confesses a shocking secret. Meanwhile, in the flashbacks, Oliver finally sits down with Konstantin Kovar."