Hartley Winterbottom is the true, original identity of the man known to the world as Alexei Volkoff, who was the main antagonist in the first half of Season Four. He was a MI6 scientist on the original Intersect team alongside Stephen Bartowski (Scott Bakula), and is the first Human Intersect. He is portrayed by Timothy Dalton. Some time ago, when working on the Intersect, the CIA assigned him a mission to go undercover. He took the cover of fictitious international arms dealer, Alexei Volkoff. Upon learning this, Stephen uploaded the Intersect into Hartley's head, attempting to aid his cover.