Jake Gyllenhaal looks dapper in a dark blue suit and crisp white shirt as he gets ready to chat with David Letterman on the Late Show on Aug. 27 in NYC.

OK! GALLERY: JAKE GYLLENHAAL ROCKS A BEARD AT A CELEBRATION OF PAUL NEWMAN'S DREAM  EVENT IN NYC

The 31-year-old is promoting the new crime drama End of Watch, in which he plays a Los Angeles cop who stumbles upon a shocking secret that makes him a target of a drug cartel.

OK! GALLERY: JAKE GYLLENHAAL COOLS DOWN WITH A FRESH BUZZ CUT

The film opens in theaters Sept. 21.