 <translate> The relevant information is: Jack Nicholson plays Hoffa, and DeVito plays Robert Ciaro, an amalgamation of several Hoffa associates over the years.
So, the final answer is Jack Nicholson. <yor> Ìsọfúnni tó ṣe kókó ni: Jack Nicholson ń ṣe Hoffa, àti DeVito ń ṣe Robert Ciaro, àdàpòpọ̀ àwọn ọ̀rẹ́ Hoffa bíi mélòó kan láti ọdún dé ọdún. Nítorí náà, ìdáhùn tó gbẹ̀yìn ni Jack Nicholson. 