Moon Over Parador(1988)

He's not the first actor to impersonate a president... but he may be the last.

Little known actor, Jack Noah, is working on location in the dictatorship of Parador at the time the dictator dies. The dictator's right hand man, Roberto, makes Jack an offer he cannot refuse.. to play the dictator. Jack's acting skills fool the masses but not close friends and employees of the dictator.