Dhoomakethu is a 1968 Kannada-language Drama motion picture written by Sri Bhagavathi Art Productions and directed by R. N. Jayagopal. Dhoomakethu was produced under the production house Sri Bhagavathi Art Productions. Dhoomakethu stars Rajkumar, Udaya Chandrika, Udaykumar, Narasimharaju, Uday Chandra, Udaya Kumar and Sampath. The screenplay is written by R. N. Jayagopal. The music was composed by T. G. Lingappa. Cinematography was done by R. N. K. Prasad and editing by P. Bakthavathsalam. It was released on 10th May 1968. Thornton portrays a widowed corrections officer who begins a relationship with a woman , unaware that she is the widow of a man he executed.