Melnaattu Marumagal is a 1975 Tamil-language Drama Romance movie written by A. P. Nagarajan and directed by A.p. Nagarajan and A. P. Nagarajan and produced by C. N. Venkatasamy under the banner of C. N. V. Movies. Mohan shocks his parents by marrying a foreigner. His father disapproves their marriage, but his wife earns the admiration of all by quickly assimilating with Indian culture. Melnaattu marumagal features Sivakumar, Kamal Haasan, 'kumari' Laurance Pourtale, Jayasudha, Jr. Balaiah, Cho Ramaswamy and Poornam Vishwanathan. The music was composed by Kunnakudi Vaidyanathan. Cinematography was done by K. S. Prasad and editing by T. Vijayarangam. The movie has a running time of 132 mins. Mohan shocks his parents by marrying a foreigner. His father disapproves their marriage, but his wife earns the admiration of all by quickly assimilating with Indian culture.