Nalla Thanka , the only sister of Nallannan , the King of Madhurapuri, is wedded to Somanathan , the king of the neighbouring kingdom Ratnapuri. Alankari, the wicked wife of Nallannan becomes envious of the prosperity of Ratnapuri and the happy married life of Nalla Thanka.

Miss Kumari
as Nalla Thanka

Augustine Joseph
as Nallannan

Vaikom Mani
as Somanathan

T R Omana
as Alankari

S. P. Pillai
as

Muthukulam Raghavan Pillai
as