Krishnasaamy Bhagyaraj is an Indian director, actor, screenwriter, music director, producer and politician active mainly in Tamil films. He has also written and directed Hindi films and TV serials. As an actor, he has worked in more than 75 films and has directed more than 25 films. He won a Filmfare Best Actor Award for Mundhanai Mudichu (1983). He received Lifetime Achievement Award in SIIMA (2014). He is the editor of weekly magazine Bhagya and has also written several novels.

Shanthanu Bhagyaraj is an Indian actor who has worked predominantly in Tamil cinema. The son of actors K. Bhagyaraj and Poornima Bhagyaraj, Shanthanu appeared as a child artist in his father's Vettiya Madichu Kattu (1998), before making his debut as a lead actor in the romantic comedy Sakkarakatti (2008).He also has a YouTube channel with his wife called With Love Shanthnu Kiki.