Actor Sean Penn was on "The Colbert Report" tonight. Which is irregular considering that the reclusive Mr. Penn isn't exactly a regular on the talk show circuit. But Colbert has had other reclusive guests on his show in the past, including the ever-elusive George Lucas - So, I guess anything is possible for Colbert. If you missed the show tonight, don't worry... Comedy Central re-airs the Colbert Report several times the following day. In any case, here's some fun Sean Pen Trivia in honor of this memorable episode of the Colbert Report.

As most of you are aware, Sean Penn got his start in the 80's. And, for this trivia question, we'll recall a couple of lesser known Sean Penn movies. Mr. Penn is apparently a big fan of Robert DeNiro, and he got a chance to co- star with his idol back in 1989. The stunning thing is that it was a comedy! What was the name of the film?

Bonus Question: Back in the 80's, Sean Penn had a small part in a film directed by his father, Leo Penn. What was the name of the film?