Bogosian talked to The Daily Beast about his dark Rothian doppelganger.
He says the character of Matt is, in a way, his doppelganger.
So she embarked on a quest to find her Palestinian doppelganger.
Mr. Westfall began to watch for Louise and to trot after her like a doppelganger.
German doppel 'double' + ganger 'goer'