|Directed by||L. Balu|
|Produced by||Modern Theatres|
|Written by||A. L. Narayanan|
R. S. Manohar
|Cinematography||C. A. S. Mani|
|Edited by||L. Balu|
|Distributed by||Modern Theatres|
Naangu Killadigal (English: Four clever men) is 1969 Tamil Comedy thriller film directed by L. Balu and produced by Modern Theatres. The film script were written by A. L. Narayanan. Music by Vedha assets to the film. It stars Jaishankar, R. S. Manohar, Thengai Srinivasan and Suruli Rajan played lead with Bharathi, Kumari Padmini, C. L. Anandan played pivotal role.
- Jaishankar as Anandan (a) Kumar
- R. S. Manohar as Ganesan Iyer
- Thengai Srinivasan as Velu (a) Natanam
- Suruli Rajan as Baba
- Bharathi as Shanthosh Kumari, A Film Actress
- C. L. Anandan as Narendran, A Film Actor
- Kumari Padmini as Prema, Narendran Girl Friend
- A. L. Narayanan as Tape Singaram
- Karikol Raju as Shanthosh Kumari's Father
- Chandran as Alwar,
- Pushpamala as Pushpa (a) Pappa
- Venniradai Moorthi as Thandavam, Shathosh Kumari's Secretary
- Sivasooriyan as Bioscope
- Ramanathan as Rowdy Varadhan
- Ramani as Shanthosh Kumari's Mother
- Oru Viral Krishna Rao as Narendran's Secretary
- Art = K. Velu
- Processing = T. P. Krishnamoorthy
- Audiography = P. S. Narasimmam
- Choreography = B. Jayaraman
|Soundtrack album by Vedha|
Music by Vedha and Lyric written by Kannadasan and A. L. Narayanan.
|1||Sevvaanathil Oru Natchathiram||T. M. Soundararajan||03:22|
|2||Nenjikku Nimmathi||P. Suseela||03:19|
|3||Ethu Ethile||P. Suseela L. R. Eswari||03:17|
|4||Pookkadi Pakkam||S. V. Ponnusamy L. R. Eswari||03:56|
- "Naangu Killadigal". spicyonion. Retrieved 2016-08-05.
- "Nangu Kiladigal Movie". gomolo. Retrieved 2016-08-05.
- "Naangu Killadigal 1969". mio. Retrieved 2016-08-05.