'Bigg Boss Tamil' Season 4: Kamal Haasan introduces 16 contestants

This is Aajeedh Khalique's second outing on a reality show. He has won the trophy at Super Singer Junior Season 3. Aajeedh has sung songs for movies Poovarasam Peepee and Vu.

Aari Arjunan is a Tamil actor who has appeared in several films namely Rettaisuzhi, Maalai Pozhudhin Mayakathilaey, Nedunchaalai, Dharani, Maya, Unnodu Ka, Nagesh Thiraiyarangam to name a few.

Anitha Sampath has made an appearance in several hit films namely Danny, Darbar, Adithya Varma, Kaappaan, 2.0, Sarkar and Kaala.

Balaji Murugadoss aka Bala is a popular model. He has won Mr International India, Mr Perfect Body at Mr India competition.

Gabriella is a former child artist who has been a part of movies namely 3, Chennaiyil Oru Naal and Appa. She has also participated in reality shows namely Jodi Number One Juniors and Jodi Number One Season 6.

Ramesh Choudary aka Jithan Ramesh is an actor working in Tamil and Telugu movies. He is also elder brother of actor Jiiva. Jithan has worked in movies namely Vidyardhi, Jithan, Madhu, Jerry, Nee Venunda Chellam, Madurai Veeran, Puli Varudhu, Pillaiyar Theru Kadaisi Veedu, Osthe, Jithan 2, Ongala Podanum Sir to name a few.

Stand up comedian Aranthangi Nisha is the next participant. She has been the runner up of her television debut Kalakka Povadhu Yaaru which is a comedy show.

Ramya Pandian is a Tamil actor who has been a part of a few movies namely Dummy Tappasu, Joker and Aan Devathai. She has also participated as a contestant on Cook with Comali and judged Kalakka Povadhu Yaaru Season 9.

Rekha is a very popular South Indian actor who has worked in Tamil, Malayalam, Telugu and Kannada languages. She had made her debut opposite Kamal Haasan in Punnagai Mannan. Rekha has also won several accolades for her roles in several movies.

Rio Raj is a popular VJ and actor. He has hosted several shows and became a popular face eventually. He has been a part of a couple of movies namely Sathriyan and Nenjamundu Nermaiyundu Odu Raja.

Samyuktha Karthik is a model turned actor who is also a nutritionist, dance instructor and an entrepreneur.

Miss South India 2016 Sanam Shetty is a popular face. She has worked in many films such as Ambuli, Cinema Company, Daivathinte Swantham Cleetus, Katham Katham, Srimanthudu, Singam 123, Vellaiya Irukiravan Poi Solla Maatan, Sawaari, Sadhuram 2, Walter and latest being Maha.

Shivani is an actor who primarily works in Tamil TV series. She has been a part of Pagal Nilavu and Rettai Roja.

Som Shekhar is a popular fitness mdel, actor and an MMA trainer.

Suresh Chakravarthy is a popular chef who has his own cookery channel on YouTube.

Vel Murugan is a Tamil singer who rose to fame after singing for the hit folk songs 'Madura' in Subramaniapuram, 'Aadungada' in Naadodigal and 'Otha Sollala' in Aadukalam.