Murari Kumar embarked on his illustrious acting journey with the esteemed ACT One theatre group in the vibrant city of Delhi, laying the foundation for a remarkable career that would span over a decade and a half. During this period, he has had the privilege of appearing in numerous Hindi films, with his most notable and critically acclaimed role being that of Guddu in the blockbuster film Gangs of Wasseypur part 2, which garnered widespread recognition and acclaim. Additionally, his performance in Peddler, a film that premiered at the prestigious Cannes Film Festival in 2012, further solidified his reputation as a talented and versatile actor.
Throughout his career, Murari Kumar has been closely associated with the visionary filmmaker Anurag Kashyap, working with him on various projects that have showcased his remarkable range and talent. Moreover, he has also lent his voice to Radio City's iconic character, Babbar Sher, a testament to his versatility and ability to excel in diverse roles.