Dan Petronijevic. Additional Crew: Flatliners. Daniel (Dan) Petronijevic was born March 28, 1981. He is a Canadian actor, who performed the role of Thad Guerwitcz on ESPN's football series Playmakers, and was the voice actor of Geoff in Total Drama Island, Total Drama Action, and Total Drama World Tour. In 2006 he had a role of Bull in American Pie Presents The Naked Mile, a part he reprised in 2007...