Main

• Nakshatra Srinivas as RJ Thendral (2020–2022)
  • A middle-class family woman, Shanmugam and Lakshmi's daughter, works as a radio jockey "RJ" at 92.7 Big FM radio station. She was Aakash's first ex-fiancée and Siddhu's girlfriend turned wife. She agreed to marry Aakash on her mother's insistence but later called off their marriage after learning Aandal's true intentions through Saradha.
• Kavitha as Aandal Arunachalam "Aandal" (2020–2022)
  • An arrogant and wealthy lady, Siddhu and Aakash's grandmother. She was inspired by Thendral's voice in FM and she decided that Aakash should marry Thendral, but it fails. After she considers Thendral as her enemy. She loves her grandson Aakash, however, it isn't the same for Siddhu because he is Saradha's son
• Nithin Iyer as Aakash (2020–2022)
  • A rich business man, Kanna and Madhavi's son, Siddhu's younger step-brother, his grandmother Aandal's obeying grandson and Thendral's ex-fiancé and Nila's husband. He loved Thendral, but he does not take a stand for her (Thendral) against his grandmother and now he is the husband of Nila approved by his grandma.
• Deepak Kumar (2020–2022) / Vishnukanth (2022) as Siddharth "Siddhu"
  • A simple independent man, Kanna and Saradha's son, Aakash elder step brother and Thendral's current boyfriend turned husband, works with Thendral as RJ at 92.7 Big FM radio station and falls in love with her. He always supports Thendral in all her decisions.
• Punitha Balakrishnan (2020) / Sreenidhi Sudarshan (2020–2021) / Sushma Nair (2021–2022) as Nila Aakash
  • Thendral's first younger sister; Shanmugam and Lakshmi's second daughter. She always like a luxuries life, so she married Aakash with her mother's help. Now she against Aandal and defeating her.

Recurring

• Rajeshwari as Saradha Kannan: Siddhu's mother, Aandal and Arunachalam's first daughter-in-law, Kanna's first wife. Aandal's arch-rival. She was bold woman. She thrown out by Aandal during her pregnancy, by not accepting to Aandal's condition to abort her child. She rescued Thendral from marrying Aakash exposing Aandal's true face. She wants Thendral to marry Siddhu. (2020–2022)
• Ragavi Sasikumar (2020–2021) / Anitha Venkat (2021–2022) / Preethi Shree (2022) as Madhavi Kannan: Aakash's mother, Aandal and Arunachalam's second daughter-in-law, Kanna's second wife. She was married to Kanna, hiding his first marriage. She loves her son Aakash
• Supergood Kannan (2020–2022) / Ashok (2022) as Kannan: Siddhu and Aakash's father, Aandal and Arunachalam's son, Saradha and Madhavi's husband. He is a good person, looking after Aakash's business. He is unable to save either of his wives from his mother's atrocities.
• Narasimha Raju as Arunachalam: Aandal's husband, Kanna's father, Saradha and Madhavi's father-in-law, Siddhu and Aakash's grandfather. Though being a retired judge and a respectable person, he never raises voice against his wife. (2020–2022)
• Gowthami Vembunathan as Lakshmi Shanmugam: Thendral, Nila, Poorni and Shiva's mother, Shanmugam's wife. She forces Thendral to marry Aakash due to his status and she doesn't care about Thendral's self esteem. (2020–2022)
• Girish as Shanmugam: Thendral, Nila, Poorni and Shiva's father, Lakshmi's husband. He always supports Thendral in all her decisions. He is a broad minded person, unlike his wife. (2020–2022)
• Dhachayani as Poornima Shanmugam "Poorni": Thendral's second younger sister; Shanmugam and Lakshmi's last daughter. (2020–2022)
• Indran as Siruthai: FM staff; Thendral and Siddhu's friend. (2020–2022)
• VJ Sasikala Nagarajan as Meghna: FM staff; Thendral and Siddhu's friend. (2020–2022)
• Nivetha Priya as Tara: Aakash's second ex-fiancée and a business man's daughter (2021–2022)
• Nithya Raj as Shivani: A new FM manager in Big FM and she loved Siddhu has one-sided. (2021–2022)
• Dharshan Kumar as Shiva: Thendral's younger brother; Shanmugam and Lakshmi's son (2020–2021)
• Murali Krish as Singaram: A old FM manager in Big FM (2020–2021)

Casting

The series mainly on a love triangle. Nakshatra Srinivas stars as a radio jockey in the main female role with Deepak Kumar, of Thirumanam fame, and Nithin Iyer, a fitness frick as the male leads.^[5] Kavitha was cast in the antagonist role as the grandmother, while Narasimha Raju, Gowthami Vembunathan, Girish, Raghavi, Kannan, VJ Sasikala, and Indran make up the rest of the cast.

Development

Neelima Rani, who producing this series after Niram Maaratha Pookkal with her husband Esai Vanan under the production "Esai Pictures" in Zee Tamil.