The film is a biographical sketch of the former Chief Minister of the then Madras State and the All-India Congress Committee secretary and a respected national figure. The film starts with the young age of Kamaraj and ends with the funeral procession of the leader.
| Actor | Role |
|---|---|
| RRichard MadhuramK. Kamaraj | K. Kamaraj |
 J. MahendranK. Rajaram | K. Rajaram |
 V. S. RaghavanNot listed | Not listed |
 Charu HaasanNot listed | Not listed |
 VijayanNot listed | Not listed |
 SamuthirakaniNot listed | Not listed |
 VijayakumarPeriyar E. V. Ramasamy | Periyar E. V. Ramasamy |
 Sampath RajNot listed | Not listed |
 A. K. VeerasamyNot listed | Not listed |
 RajeshNot listed | Not listed |