Cast
- Mohan as Varadharajan [Son]
- Kalyani as Debut- Sundari
- Chandrasekhar as Murthy
- Manorama as Ponnathaa (Office House Keeping) [Grandmother]
- S. S. Chandran as Chakravarthy (Office Accountant) [Father]
- Senthil as Munusamy [Grandfather]
- Dilip as Guest Role-Ramesh, Lalitha's Lover
- Thyagu as Thyagu (Office Clark) [Elder Brother]
- Charlee as Gopalan (Office Peon) [Younger Brother
- Kovai Sarala as Babyamma (Office Chief Accountant) [Mother]
- Disco Shanti as Kusalamba, [Thyagu's Fake wife-Sister-in-Law]
- Lalitha Kumari as Lalitha [Younger Sister]
- J. Lalitha as Bhuvana [Elder Sister]
- Khaja Sharif as Shankaran (Office Peon) [Younger Brother]
- Adade Manohar as Manager Rahman [Uncle]
- MLA Mallaiah
- T. Durairaj
- Judo Ramu as Debut
- S. N. Parvathy as Lalitha's Aunty (Chithi)
- Bindu Ghosh as Lilly [Aunty]
- Kumarimuthu as Police Constable
- Tirupur Ramasamy as Police Constable
- Thayir Vadai Desigan as Pannaiyar
- Pakoda Kadhar as Rent House Owner
- Loose Mohan
Crew
- Choreography - Lalitha Mani
- Stunt - Judo Ramu
- Art - Bhuvana
- Cinematography - S. A. N. Gopi
- Editor - Sriniwas Krishna
- Lyrics - Vaali
- Story - T. Durairaj
- Dialogue - T. Durairaj
- Music - Sankar, Ganesh
- Director of Cinematography - Babu
- Producer - T. S. Krishna Kumar, Malarkodi Durairaj
- Screenplay - T. S. Krishna Kumar
- Director - T. S. Krishna Kumar
Shondham 16 is a 1989 Tamil film in color starring Mohan, Kalyani (Debut—previously acted as a child actor in Sankaraparanam Telugu movie), and Chandrasekhar in the lead roles, along with S. S. Chandran, Senthil and Manorama in supporting roles.%20(2).png)
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Shondham 16 full movie is available on YouTube.