Answer
Dave, a 1993 American political comedy film starring Kevin Kline, Sigourney Weaver, and Frank Langella, follows the story of Dave Kovic, an ordinary man who bears an uncanny resemblance to the President of the United States. When the President suffers a stroke and is incapacitated, Dave is recruited to impersonate him, leading to a series of humorous and thought-provoking situations.