Radhakrishnan Parthiban is an Indian film producer and actor. A three-time winner of the National Film Awards of India, he has acted in over 72 films, directed 15, and produced 12. He gained fame for directing critically acclaimed films such as Puthiya Pathai (Not Just a Road) and Housefull (Full House), which won the National Film Award for Best Feature Film in Tamil in 1989 and 1999, respectively. His recent work, Oththa Seruppu Size 7 (Single Slipper Size 7), received widespread acclaim as the first film in the world featuring a single actor. Parthiban wrote, directed, and produced this film, making it a complete one-man show.