sentences:  Catherine is in love with Grigori Alexandrovich Potemkin, who is enamored with the murderous Sura, who finds herself torn between Potemkin and Jones.The Broadway-bound production, directed and choreographed by Bob Fosse, opened on March 11, 1965, at the Fisher Theatre in Detroit.The cast included Hy Hazell, Alfred Marks, Phyllis Newman, and John McMartin.