Director Barry Levinson (“Rain Man”) told The Post that the left-field idea was hatched by the film’s producer Irwin Winkler, who’s worked with De Niro on many projects throughout his ...

During his chat with Ripa and Consuelos, De Niro said that the scene wasn’t entirely scripted. “The producer [of the film] … said on some show that Marty had said it was all improvised.