 
<translate> Bayanin da ya dace shine: Jack Nicholson yana wasa da Hoffa, kuma DeVito yana wasa da Robert Ciaro, haɗuwa da abokan hulɗa da yawa na Hoffa a tsawon shekaru. Don haka, amsar karshe ita ce Jack Nicholson. <eng> 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. 