Rajan, a police officer, is in charge of the investigation regarding a murder that took place on a train. He tries by hook or by crook to find the culprit as he has only one witness.
| Actor | Role |
|---|---|
 Prem NazirCID Rajan | CID Rajan |
 SheelaGeetha | Geetha |
 Kottarakkara Sreedharan NairGangster | Gangster |
 Adoor BhasiUnnikannan Nair | Unnikannan Nair |
 SankaradiMadhava Menon | Madhava Menon |
| GG K PillaiHotel Manager | Hotel Manager |
 VijayalalithaGeetha's disguise | Geetha's disguise |
 Prathapa ChandranPolice constable | Police constable |
 Thodupuzha RadhakrishnanTelephone caller | Telephone caller |