updated 06/08/2011 AT 1:45 PM ET
•originally published 06/08/2011 AT 2:50 PM ET
While filming The Dark Knight Rises, the actress, 28, accidentally gave a stuntman a black eye when she hit him with the butt of a gun prop during a fight scene.
“Anne was mortified,” a source on-set of the Christopher Nolan-directed film tells U.K.’s The Sun newspaper. Added a source: “It was all in good humor, but the poor guy took quite a pummeling.”
So how did the starlet apologize?
A silver pen – with a special message: “Remember no one packs a punch like Anne,” the engraving reads.