Fifty Shades Darker adds Eric Johnson as Christian Grey’s rival Rocky Balboa and Apollo Creed. Superman and Lex Luthor. Pee-wee Herman and Francis Buxton. There are a lot of notable rivalries in film, and the Fifty Shades of Grey series is getting ready to bring its own to life. Variety reports that Eric Johnson (The Knick, Smallville) has been cast as the aptly-named Jack Hyde in Fifty Shades Darker.