A murder-mystery, in which the friend of a wealthy, elderly couple tries to bring about a reconciliation between them on the one hand, and their their estranged relatives on the other.
Unfortunately the movie Nadu Iravil is not yet available on HBO Max.
| Directing | C. S. Balakrishnan | Assistant Director |
| Production | V. R. Arunachalam | Administration |
| Production | V. T. Arasu | Administration |
| Directing | C. N. Shanmugam | Assistant Director |
| Crew | V. Madhavan | Choreographer |
| Sound | Kannan | Sound |
| Sound | D. B. Ramachandran | Music Score Producer |
| Writing | Ve. Lakshmanan | Lyricist |
| Directing | S. Balachander | Director |
| Sound | P. M. Madhanagopal | Sound |
| Art | R. B. S. Mani | Art Direction |
| Writing | Ve. Lakshmanan | Dialogue |
| Sound | S. Balachander | Music |
| Production | S. Balachander | Producer |
| Costume & Make-Up | R. Rangasamy | Makeup Artist |
| Editing | K. Govindasamy | Editor |
| Costume & Make-Up | M. Gopal | Makeup Artist |
| Costume & Make-Up | R. Varadhan | Costume Designer |
| Writing | Agatha Christie | Novel |
| Camera | K. V. S. Reddy | Director of Photography |
| Sound | P. Susheela | Playback Singer |
| Sound | L. R. Eswari | Playback Singer |