A veteran Indian film and TV actor, Ghanshyam Nayak is best known for portraying the role of Natwarlal Prabhashankar Undhaiwala, a.k.a Nattu Kaka in the popular comedy series Taarak Mehta Ka Ooltah Chashmah. The actor who made his debut on the silver screen with Masoon (1960) as a child actor, in his career spanning over 55 years, he has appeared in more than 25 films and seven series`. Few of his most notable film credits include Balak Dhruv (1974), Beta (1992), Andolan (1995), Ishq (1997), Hum Dil De Chuke Sanam (1999), Tere Naam (2003), Khakee (2004) and Samay Chakra (2017) a Gujarati romantic-drama directed by Amar Kumar Jadeja.