Watch full movie online. The Smile is a story about beauty and horror, the definitive biopic documentary about the life and the downfall of Knud Dendermonde, the world-famous damsel-devouring horror-movie actor we all know as The Smile. In this documentary, we trace every step of Knud's turbulent life. There will be interviews with many of his colleagues, movie trailers and clips and unique behind the scenes footage. Finally, we get to hear the shocking truth, what REALLY happened!