Daniel Sackheim (born in 1962) is an American television and film director, producer, and photographer. Sackheim has produced and directed for The X-Files, Law & Order, House and NYPD Blue. He has also directed episodes of The Walking Dead, Game of Thrones, The Americans, Better Call Saul, True Detective and Ozark, for which he was nominated for an Emmy Award. He has won a Primetime Emmy Award as a director and been nominated twice for his work as a producer and director. (Via Wikipedia)
