"For the aptly titled season 4 finale, Face Off, Vince Gilligan sought help from the prosthetic-effects team behind AMC’s zombie series The Walking Dead. Greg Nicotero and Howard Berger made a model of Gustavo Fring’s exploded Evil-Dead-meets-Two-Face head, which was then digitally blended with actor Giancarlo Esposito’s real noggin. According to Gilligan, “it took months”."
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