Former Sons of Anarchy actor Chris Browning will guest-star on CBS' upcoming DC Comics series 'Supergirl' as Ben Krull, aka Reactron, according to EW.  Reactron is described as "a deadly adversary of Superman's from Metropolis, who wears an armored suit powered by nuclear energy. Never been able to defeat his rival, he’ll venture to National City … Continue reading ‘Supergirl’ – Sons Of Anarchy’s Chris Browning Cast as Reactron