Gopinath finds his brother Raghunath's car and belongings at an accident site along with a letter. While the family mourns his death, the police investigate the unusual circumstances of the case.
| Actor | Role |
|---|---|
 K P UmmerRaghunath | Raghunath |
 SujathaSumathi | Sumathi |
 Kottarakkara Sreedharan NairMenon | Menon |
 Adoor BhasiShivasankaran | Shivasankaran |
 VincentGopinath | Gopinath |
 T. S. MuthaiahSadanandan | Sadanandan |
| NN GovindankuttyInspector Radhakrishnan | Inspector Radhakrishnan |
| PPaul VengolaKuttappan | Kuttappan |
 Rani ChandraRajamma | Rajamma |
 Prema MenonKarthyayani | Karthyayani |
| KKhadeejaJanakikutty | Janakikutty |
| PPala ThankamParuamma | Paruamma |
| VVanchiyoor RadhaDoctor | Doctor |
 GeethaNot listed | Not listed |
 S. A. AsokanNot listed | Not listed |
| BBhargavan PallikaraNot listed | Not listed |
| VVijayan PallikaraNot listed | Not listed |