Por vontade da alguns investidores de "Cleópatra", Laurence Olivier seria 'César'. O actor recusou, considerando que protagonizar o filme não seria susceptível de enriquecer o seu [aliás, notabilíssimo] currículo de actor.
Sobre o episódio, escreve Walter Wanger em "My Life With Cleopatra" [edição Bantam Books Nova iorque s/d].
"Saw Larry Olivier, who after much thought has decided against Ceasar. He has played Shaw's Ceasar and Cleopatra and Shakespeare's Antony and Cleopatra and said frankly that he didn't think he could add to his luster by doing this motion picture [cf. Walter Wanger, op. cit. pág. 19]