Matt Damon has shot a chilling new advertisement for his upcoming appearance on pal Jimmy Kimmel's U.S. late night Tv show - he appears to have kidnapped the comedian.

Damon has been the butt of Kimmel's jokes for years and the host often ends his daily weeknight show by apologising to the movie star for running out of time to interview him.

But now the Bourne Identity star is set for his first official appearance on the programme as a guest - and he's promoting it with a grainy video.

The promo begins with clips of Kimmel brushing off Damon on his show and then cuts to a manic Matt talking into a computer camera in his basement. He swivels the camera to reveal Kimmel tied up and gagged.