Sekar, a rich man, does not show any care for his family. He accidentally comes across his lookalike, Sundaramurthy, and is surprised when his family showers him with love.
| Actor | Role |
|---|---|
 Sivaji GanesanRajasekar / Sekar / Sundaramoorthy | Rajasekar / Sekar / Sundaramoorthy |
 SharadaLakshmi | Lakshmi |
 Usha NandhiniUsha | Usha |
 R. S. ManoharSabapathy | Sabapathy |
 M. R. R. VasuNamachivayam | Namachivayam |
 S. V. RamadasVelu | Velu |
 Suruli RajanUsha's father | Usha's father |
 Chittoor V. NagayyaSundaramoorthy's father | Sundaramoorthy's father |
 Kumari RukminiSekar's mother | Sekar's mother |
 SasikumarNot listed | Not listed |
 UsharaniSundaramoorthy's sister | Sundaramoorthy's sister |
| GGiriMohan | Mohan |
| BBaby SumathiShanthi | Shanthi |
 Ennatha KannaiyaAasari Arulprakasam | Aasari Arulprakasam |
 Typist GopuAadiyapatham | Aadiyapatham |
 Loose MohanLoorthsamy | Loorthsamy |
| ''Senchi' KrishnanSoosai | Soosai |
| SS. R. PrabhakarNot listed | Not listed |
 S. V. ShanmugamShanmugam | Shanmugam |
 PushpamalaAlamel | Alamel |
| AAalamVimala | Vimala |