Your browser does not support the video tag. Your browser does not support the video tag. Sky Atlantic Britannia – ‘The Underworld’ VFX Breakdown Credits Brand Sky Atlantic Director Sheree Folkson, Christoph Schrewe, Luke Watson & Susan Tully Executive ProducerEmma Watterson Production Company Vertigo Films, Neal Street Productions, Sky, Amazon ProducerPatrizia Mule Internal VFX SupervisionNuno Pereira Tags Britannia Britannia Breakdown Britannia Underworld VFX Breakdown CG CGI Colour Grade Underworld VFX Breakdown VFX