Following the success of 'Vatanım Sensin,' Kubilay Aka continued to impress audiences with his acting prowess. From 2017 to 2021, he portrayed the character Celasun Gümüş in the hit television series 'Çukur' (The Pit). The show, which aired on Show TV, became a cultural phenomenon and solidified Aka's position as a rising star in the Turkish television industry. His portrayal of Celasun, a loyal and determined character entangled in the dangerous world of crime and loyalty, received immense appreciation.
Kubilay Aka's versatility as an actor was further showcased in various film and internet projects. He starred alongside Afra Saraçoğlu in the romantic drama 'Aşk Bu Mu?' (Is This Love?) in 2018. The movie showcased his ability to portray emotional depth and vulnerability on the big screen.