Iskak, a notable figure in Indonesian cinema, began his journey in film after relocating to Jakarta in 1959. His early career flourished as part of the beloved Kwartet Jaya alongside Bing Slamet, where he captivated audiences with his comedic talent. The 1981 film "Kejamnya Ibu Tiri Tak Sekejam Ibu Kota" stands out as a hallmark of his career, showcasing his unique ability to blend humor with social commentary. Collectors prize this film not only for its entertainment value but also for its cultural significance in Indonesian film history. In addition to his work with Kwartet Jaya, Iskak starred in several popular films produced by PT. Neat Film, including "Ateng Bikin Dizzy" and "Dang Ding Dong," both released in 1977. His long-running role on the Ria Jenaka program further solidified his status as an icon of Indonesian comedy. Iskak's final film appearance in "Weasel Bearded" (1983) marked the end of an era, yet his legacy continues to resonate with collectors who seek out his work for its historical importance and charm.