Cohen's 'Bruno' Crashes Medium Set

An unruly extra was booted from the set of NBC's Medium on Nov. 7,  for disrupting a scene involving the show's star Patricia Arquette.

But what everyone failed to see was that the "extra" was none other than comic prankster Sacha Baron Cohen dressed up as one of his alter-egos.

Cohen, who shocked movie audiences with his un-politically-correct character Borat, is currently shooting a film in which he plays the outrageous fashion reporter Bruno. It's unclear how Cohen made it onto the set, but according to EW, Cohen is filming "crash" footage for the new film, a followup to Borat.