Actor Krish Hassan, who works predominantly in the kollywood and molly wood industry stepped into his acting profession by getting trained in theaters as an artist for several months. During that period, he was also creating many recreation videos of movie characters hand in hand. He was known for his Rolex remake video on social media. Actor Krish then commenced his professional life by acting in an unnamed movie in 2021 which wasn't released. In the same year, Krish was assigned a lead role in Fernandas - an independent film on Netflix.

After that, he was determined to attend several auditions and workshops. This gave him a chance to work in Varisu (2023), a Tamil action drama directed by Vamshi Paidipally which featured him as a kidnapper. Thereby Krish continued to work on a few short films and album tracks. He also had done a varying number of dubbing for the characters in different films. Krish was then signed up for Thangalaan (2024), a historical action drama directed by Pa. Ranjith. Krish's on-screen charisma has been fairly noted and recognized by many Film critics.

The commencement of his Mollywood career was the movie, Mura (2024), an action drama directed by Kappela fame Muhammed Musthafa, produced by Shibu Thameen (Hr pictures) soon to be released. Mura was his debut movie. Then Krish continued to work on several other projects including Chutney Sambar, a TV series on Disney + Hotstar directed by Abhiyum Nanum and Mozhi fame Director Radhamohan.