a novelist who could find a funny side of a disastrous incident in the history of mankind ( jurek becker ) and a director who could find a great perspective to create this vision and assemble a delicious cast and crew ( peter kassovitz ) . to be brief the producer of jakob the liar do not deserve from the user of internet movie database a 6 . 0 average . the humor in the screenplay become unforgettable by the perfect role playing of an actor ( robin williams ) who create the main character of every movie that he act a milestone . the final of the movie could disappoint most of the viewer but a my opinion that count represent it be the two way ending tradition that you can imagine the rest and feel whatever that you want to feel .