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Welling played the character Lt. Marcus Pierce/Cain in the TV show Lucifer. Lucifer is a fantasy police procedural drama television series based on the DC Comics character created by Neil Gaiman, Sam Kieth, and Mike Dringenberg. The series premiered on Fox on January 25, 2016. The series follows Lucifer Morningstar, the Devil, who has abandoned Hell and retired to Los Angeles, where he runs his own nightclub called Lux.