The story centers on Advocate George, who wrongly suspects his wife, Annie, of having a romantic relationship with Dr. Mathews. Meanwhile, Dr. Mathews is dedicated to researching and testing a life-saving snakebite antivenom.
| Actor | Role |
|---|---|
 T. K. BalachandranDr. Mathews | Dr. Mathews |
 Thikkurissy Sukumaran NairGeorge | George |
 M G SomanNot listed | Not listed |
 Adoor PankajamMariya | Mariya |
 Aranmula PonnammaAnnamma | Annamma |
 Ambika SukumaranGracy | Gracy |
 BahadoorKurian | Kurian |
 Kottarakkara Sreedharan NairValyedathu Vareechan | Valyedathu Vareechan |
 Miss KumariAnnie | Annie |
| NN GovindankuttyPhilip | Philip |
 PankajavalliThresiamma | Thresiamma |
 Paravoor BharathanPorinchu | Porinchu |
 S. P. PillaiThoma | Thoma |