SUMMARY
Thirteen Days is a historical political thriller, reflecting John F. Kennedy's leadership characteristics and the decision-making process during the Cuban Missile Crisis, close to reality. The study explains the connection between fictional and real and the decision-making process through the similarities and differences between film scenes and real images. In this sense, it examines John F. Kennedy's decision-making process and leadership structure using both international relations theories and film review methods. The film has been created with a historical perspective, the character traits, crisis and resolution processes of the American president and his small group members, as well as the actors in the Soviet bloc. In addition, evaluating the attitudes and approaches of the Kennedy government and Kennedy's leadership structure are clearly reflected to the audience in the film. This study contributes to the understanding of international relations by explaining Small Thinking Decision and Rational Actor Model theories with the cooperation of the field of international relations and cinema. The sum up, to compare of film scenes and real elements is also important in terms of editing the parts that appear as black-boxes during the crisis and interpreting them close to reality.