One of the main characters of the series, Bogdan Velinski, played by Georgi Cherkelov, who appears for the first time in Shlepovete as a young and ambitious secret police officer, has a real life prototype, Nikola Geshev, Head of Department A of the Fascist Public Security Service during the period 1941-1944. He was responsible for the suppression of the Anti-fascist struggle, in close collaboration with the special services of the Third Reich.