Idhu Solla Marandha Kadhai (transl. It's a Forgotten story to tell) is an Indian-Tamil-language Family drama television series, that aired on Colors Tamil^[1][2] and digital platform Voot, which premiered on 7 March 2022 and ended on 23 September 2022 with 147 episodes.^{[citation needed]} It starred Rachitha Mahalakshmi and Vishnu.^[3][4] It is the remake of Colors TV's Na Bole Tum Na Maine Kuch Kaha.

• Rachitha Mahalakshmi as Sadhana Shankar – Sundar's sister; Shankar's widow; Akshara and Adithya's mother
• Vishnu as Arjun – News reporter at Tamil news company; Lechchami's son; Yamuna and Keerthana's brother; Akshara's friend

• Arshita as Akshara "Akshu" Shankar – Sadhana and Shankar's daughter; Adithya's sister; Arjun's friend
• Satvik Dev as Adithya "Adi" Shankar – Sadhana and Shankar's son; Akshara's brother
• Gowthami Vembunathan as Saraswathi Rajasekar – Rajasekar's wife; Saravanan, Shankar and Radha's mother; Abhinaya, Sarath, Akshara and Adithya's grandmother
• Vincent Roy as Rajasekar – Chandrakala's brother; Saraswathi's husband; Saravanan, Shankar and Radha's father; Abhinaya, Sarath, Akshara and Adithya's grandfather
• Deepa Shankar as Chandrakala – Rajasekar's sister; Saravanan, Shankar and Radha's aunt; Sadhana's mother-figure; Abhinaya, Sarath, Akshara and Adithya's grandaunt
• Prakash Rajan as Saravanan Rajasekar – Rajasekar and Saraswathi's elder son; Shankar and Radha's brother; Chithra's husband; Sarath's father
• Sridevi Ashok as Chithra Saravanan – Saravanan's wife; Sarath's mother
• John Marshall as Sarath Saravanan – Saravanan and Chithra's son
• Vidhyamini Subhash as Radha Rajasekar Sundar – Rajasekar and Saraswathi's daughter; Saravanan and Shankar's sister; Sundar's wife; Abhinaya's mother
• Gemini Mani as Sundar – Sadhana's brother; Radha's husband; Abhinaya's father
• Sudhapushpa as Sundar and Sadhana's mother
• Sarath as Raju – Arjun's best friend
• Agalya Saro as Lechchami – Yamuna, Arjun and Keerthana's mother
• Preetha Reddy as Keerthana – Lechchami's younger daughter; Yamuna and Arjun's sister
• Subadhini Subramanian as Yamuna Manokar – Lechchami's elder daughter; Arjun and Keerthana's sister; Manokar's wife
• Raj Kumar Manoharan as Manokar – Yamuna's husband
• Ravi Chandran as Lechchami's husband; Yamuna, Arjun and Keerthana's father

• Ajai Bharat as Shankar Rajasekar – Rajasekar and Saraswathi's younger son; Saravanan and Radha's brother; Sadhana's late husband; Akshara and Adithya's father (Dead)

Actress Rachitha Mahalakshmi^[5][6] was selected to play the character Sadhana which Aakanksha Singh played in the Original . Vishnu was selected to play Arjun's character.^[7] Where Sridevi Ashok, Deepa Shankar, Vincent, Gowthami in pivotal roles.

The first promo was unveiled on 7 February 2022, featuring protagonist and revealing the release date. The second promo was unveiled on 12 February 2022 and The third promo was unveiled on 25 February 2022^[8]

• Idhu Solla Marandha Kadhai at IMDb