Murugan and his sister, who are orphans, are adopted by a diamond merchant, Dhayalan, after they help him save his diamonds from thieves. Years later, Murugan is framed for Dhayalan's murder.
| Actor | Role |
|---|---|
 M. G. RamachandranMurugan | Murugan |
 LakshmiLadha | Ladha |
 V. K. RamasamyVaragaswamy | Varagaswamy |
 S. A. AsokanNadarajan | Nadarajan |
 T. K. BhagavathiPradhap Singh | Pradhap Singh |
 HelenNot listed | Not listed |
 Jaya KausalyaSivagami | Sivagami |
 V. S. RaghavanDayalan | Dayalan |
 Cho RamaswamySindhamani | Sindhamani |
 S. Rama RaoNot listed | Not listed |
 SrideviNot listed | Not listed |