Sushma Seth is an Indian film, television, and stage actress. She started her career in the late 1970s, and has been known for playing the mother and the grandmother in movies and television. She is most known as the role of Dadi in pioneering TV soap Hum Log. She is also a theatre actor and worker, founder member of theatre group, Delhi-based Yatrik. She's worked with famous directors like Dev Raj Ankur, Ram Gopal Bajaj, Manish Joshi Bismil, Chander Shekhar Sharma.