Mark David “FBI” star Jeremy Sisto, whose many previous film and TV credits include “Clueless,” a recurring role on “Six Feet Under” and a starring role on the former sitcom “Suburgatory,” paid insanely prolific indie film producer Cassian Elwes $2.45 million in the fall of 2013 for a renovated 1940s traditional sequestered behind gates and all but hidden by mature trees and foliage along a winding road in a notoriously celeb-packed pocket of the Hollywood Hills.