Frederic Lehne
From Super-wiki
Frederic Lehne played the The Yellow-Eyed Demon in episodes 2.01 In My Time Of Dying, and 2.21 All Hell Breaks Loose: Part One and 2.22 All Hell Breaks Loose: Part Two.
Frederic has been in numerous films and virtually every prime time tv show, among them such tv hits as Lost, Ghost Whisperer, Bones, CSI, Without a Trace and others.
