Alexandr Kalugin
Known As: Александр КалугинBirthplace: CanadaBiography: Alexander Kalugin is a Canadian actor best known for playing the Slam Boss in The Chronicles of Riddick. He also played Major Sergei Vallarin and subsequently the Goa'uld Marduk in the Stargate SG-1 episode "The Tomb" and Yuri in Final Destination 3.
