Chandrashekhar Dubey (4 September 1924, Kannod – 28 September 1993) commonly referred as C. S. Dubey was an Indian actor and radio personality. He appeared in over 150 Hindi film as a character actor starting in 1950s, with Patita (1953). He became famous for his one-liner "Dhakkan khol ke" in the film, Zinda Dil (1975), which he later used in his radio programs, as a suffix with almost every sentence.
Dubey was active in the Quit India movement for which he was imprisoned. He then moved to Bombay to work as an actor. He was also known as a social worker who helped poor students pay for their education.
He first worked for producer and director Amiya Chakravarty as an office boy, production manager and assistant director before starring in his first film Seema (1955). He went on to star in almost 300 films, for example Teesri Kasam, Roti Kapda Aur Makaan, Mausam, Angoor and Ram Teri Ganga Maili. He was known for mostly portraying negative characters, such as money lenders, pimps or rapists.
He worked for the radio and starred in radio programmes like Hawa Mahal, Fauji Bhaiyon and radio plays.