The Interpreter (2005)

African-born U.N. interpreter Silvia Broome inadvertently overhears a death threat against an African head of state scheduled to address the United Nation's General Assembly. Realising she's become a target of the assassins as well, Silvia is desperate to thwart the plot, if only she can survive long enough to get someone to believe her. Tobin Keller is the federal agent charged with protecting the interpreter, who nonetheless suspects she may not be telling the whole truth.

Official website: http://www.theinterpretermovie.com