The cast of Kahiin Toh Hoga includes several prominent actors who contributed to the show's popularity. The lead roles were played by Hiten Tejwani as Angad and Gauri Pradhan as Niharika. Their on-screen chemistry captivated audiences and became a defining feature of the series. Supporting characters included Kiran Karmakar as Rohit and Saira Banu as Suman, who added depth to the storyline. The ensemble cast also featured Aditi Gupta and Siddharth Vasudev, enhancing the drama with their performances. Together, they created a memorable viewing experience for fans of the show.