Kalathur Kannamma

A bright, resourceful boy raised in an orphanage, Selvam grows into an intelligent, compassionate young presence. He becomes the link between Kannamma and Raja, guiding family feelings as the truth about his lineage emerges during school plays and visits. His loyalty and curiosity drive key moments in the quest for a proper family.

Raja loves Kannamma, and after a period of separation and hardship, he wrestles with trust when he learns her past. He later becomes involved in Selvam's life and ultimately confronts the truth about his son, shaping the family’s path to reconciliation.

Daughter of Murugan who loves Raja secretly, bears his child, and endures social humiliation to keep her promise to Ramalingam. She later works as a teacher and seeks to reunite with her son and husband, remaining dignified under pressure.

Kannamma’s father, a farmer who feels shame about the secret marriage but ultimately reveals the truth and helps bring the family back together. He moves closer to Selvam to ensure his son’s future and mend the family ties.

The zamindar who initially orders Kannamma to forget Raja. He is moved by Kannamma’s quiet dignity and ultimately acknowledges her as his daughter-in-law, playing a pivotal role in reuniting the family.

Daughter of Singaram and the intended wife of Raja, whose engagement lands in conflict with Selvam’s identity. She represents the social pressures and competing loyalties that frame the climax.