Nalla Thanka is a landmark Malayalam film directed by P. V. Krishna Iyer, and produced by Kunchacko and K. V. Koshy. It was the second film produced at the Udaya Studios, the first being Vellinakshatram (1949). The film marked the debut of several artistes, including actors Augustine Joseph, Vaikom Mani, Miss Kumari, Miss Omana and S. P. Pillai, music director V. Dakshinamoorthy, and cinematographer P. K. Madhavan Nair.