07/07/2010 05:12 am ET Updated 4 days ago

Letterman Makes Scene-Stealing Cameo In 'Iron Man 2' (VIDEO)

While "Cabin Boy" fans may disagree, David Letterman's film career has been somewhat lacking. That all changed last night, as the "Late Show" host showed a clip of his cameo in "Iron Man 2." He even shot his scene-stealing performance in one take. The guy's a pro.