Cast & crew
En Annan (1970)
Directed by P. Neelakantan Written by K. Sornam
Cast
| M. G. Ramachandran | Ranga |
| Jayalalithaa J | Valli Ammal |
| M. N. Nambiar | Nayagam |
| S. A. Asokan | Dharmaraj |
| Cho Ramaswamy | Poochi |
| R. Muthuraman | Doctor Murali |
| Ennatha Kannaiya | Ponnaiya |
| Thengai Srinivasan | Nagappan |
| T. K. Bhagavathi | Velappan |
| Master Sekhar | Ranga (child) |
| Vijaya Nirmala | Thangam |
| Geethanjali | Geeta |
| S. M. Thirupadhiswamy | Karunagaran |
| S. N. Lakshmi | Murali's mother |
| Sundari Bai | Baby |
| Shanmugha Sundhari | |
| Sridevi | Thangam (child) |
Crew
| K. Sornam | Writer |
| V. Ramamoorthy | Cinematography |
| P. Neelakantan | Director |
| T. Govindarajan | Producer |
| C. P. Jambulingam | Editor |
| K. V. Mahadevan | Music |