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Sneak Peek: Dustin Hoffman and Robert De Niro on Letterman

Acting legends and “Little Fockers” co-stars Dustin Hoffman and Robert De Niro taped an interview for Friday night’s “Late Show With David Letterman.” For Hoffman, the visit was just another in a long line of “Late Show” spots. For De Niro, it was a first.

"We've been on the air for 30 years,” Letterman told the "Raging Bull" star. “Right now, we're on CBS. We used to be on NBC. I live in your neighborhood — literally, your neighborhood. We're neighbors, and this is your first time. What have I done?"

Without glancing at the host, the famously reserved Academy Award-winner answered, “Oh, God. I don’t know. I just … well, whatever. Dustin, he'll explain to you.”

Always game, Letterman turned to Hoffman for insight.

“If you ask me the questions that you have designated for Bob, I can maybe answer for him."

The reason?

“I am the De Niro Whisperer,” Hoffman explained.