Johnny plays Félix Tholomyès, Fantine's lover (and Cosette's biological father) in Les Misérables as part of a star-studded cast that includes Dominic West as Jean Valjean, David Oyelowo as Javert, Lily Collins as Fantine, and Olivia Colman as Madame Thénardier. The six-part series will start on Dec. 30 on BBC 1.