After struggling for years under the controlling grip of Harry Cohn, Kim Novak was finally able to relax once the Columbia boss had a heart attack and turned up his toes three weeks into production of Bell Book and Candle. In a few months, she would also be free of Muriel Roberts, the studio publicist who had pretended to be a close friend, when she was nothing more than a spy for Harry Cohn. Novak would not learn the extent of Muriel's betrayal until 1961.