K. S. Gopalakrishnan and K. V. Mahadevan.

15 films with both credited.

Year	Film	K. S. Gopalakrishnan	K. V. Mahadevan	Language
1960	Padikkadha Medhai	Writer	Music Director	Tamil
1961	Kumudham	Writer	Music Director	Tamil
1962	Sarada	Director, Producer, Writer	Music Director	Tamil
1964	Aayiram Roobai	Director, Writer	Music Director	Tamil
1966	Chinnanchiru Ulagam	Director, Producer	Music Director	Tamil
1966	Selvam	Director, Writer	Music Director	Tamil
1967	Kan Kanda Deivam	Director	Music Director	Tamil
1967	Pesum Dheivam	Director, Writer	Music Director	Tamil
1968	Panama Pasama	Director, Writer	Music Director	Tamil
1969	Kulavilakku	Director	Music Director	Tamil
1970	Aathi Parasakthi	Director, Producer, Writer	Music Director	Tamil
1970	The Postman's Sister	Director	Music Director	Tamil
1971	Kulama Gunama	Director, Writer	Music Director	Tamil
1972	Kurathi Magan	Director, Writer	Music Director	Tamil
1979	Kayalum Karayum	Director, Writer	Music Director	Malayalam