Swarnaja (Koel Mallick) is a hard-working do-gooder radio jockey with the rarest blood group in the world, Rh null blood group. She has been brought up by her grandmother. Her four year old son Pawrag is kidnapped by Shammo, an imposter.
| Actor | Role |
|---|---|
 Koel MallickSwarnaja | Swarnaja |
 Shantilal MukherjeeFamily Doctor | Family Doctor |
 Rwitobroto MukherjeeNot listed | Not listed |
 Lily ChakravartyNot listed | Not listed |
 Basabdatta ChatterjeeAnkita Sen / Kheya Sengupta | Ankita Sen / Kheya Sengupta |
 Chandan Roy SanyalShammo Sengupta / Prodyut Bishwas | Shammo Sengupta / Prodyut Bishwas |
 Mir Afsar AliSelf | Self |
 Joyraj BhattacharjeeO. C. | O. C. |
 Somak GhoshSelf | Self |
 Sudipa BasuHead Nun | Head Nun |
 Subhra Sourav DasNot listed | Not listed |
| RRini BiswasSwarnaja's ma | Swarnaja's ma |
 Kanchana MoitraNot listed | Not listed |
 Agnijit SenNot listed | Not listed |