Mounaragam (transl. Silent Symphony) is a Malayalam-language Indian television soap opera that airs on Asianet and streams on Disney+ Hotstar. It is an official remake of the Telugu language serial Mouna Raagam, which airs on Star Maa.^[2][3][4] It is one of the longest-running soap opera^{[broken anchor]} in Malayalam.^[5]

A mute, talented young woman, Kalyani, seeks her father's affection. She is drawn into the life of a wealthy boy, Kiran, who falls for her kind nature. Their love story is complicated by family feuds, misunderstandings, and a villainous cousin, Sarayu. Kalyani's journey is one of overcoming adversity, finding love, and proving her worth.^[6]

The story explores themes of gender discrimination, familial love, and the resilience of the human spirit. It delves into the complexities of family dynamics, the consequences of toxic masculinity, and the enduring bond between mother and child.

• Aishwarya Ramsai as Kalyani Kiran: A mute girl and the daughter of Prakash and Deepika, sister of Kathambaram and Vikram, the wife of Kiran, and the mother of Kalyan.
• Naleef Gea as Kiran Chandrasenan: The son of Chandrasenan and Roopa, brother of Sonia, Sarayu's cousin and Kalyani's husband. Kiran is Kalyan's father and Sarayu's ex-fiancé.
• Darshana Das as Sarayu: One of Manohar's wives, daughter of Rahul, and the foster daughter of Shari and biological daughter of Thara, cousin of Kiran and Sonia, and Kiran's ex-fiancée.

• Anjo Nair as Roopa/ Suriyanath: Kiran and Sonia's mother, Kalyani's mother-in-law, Rahul's sister and Sarayu's aunt; Chandrasenan's wife^[7]
• Firosh as Chandrasenan/CS: Roopa's husband, Kiran and Soni's father, MD of Sony Ray group of companies
• Balaji Sarma as Prakashan: Karthika, Kalyani, Kadambari and Vikram's father, Deepa's ex- husband who hates Kalyani.
• Padmini Jagadeesh (2019-2020)/ Sabitha Nair (2020–Present) as Deepa: Prakash's ex- wife, Kalyani, Vikram and Kadambari's mother
• Avani Nair (2019)/ Shwetha Mahalakshmi^[8] (2019-2023) / Rithika Krishna (2023-Present) as Sonia a.k.a. Soni: Kiran's younger sister, Vikram's ex-wife, Charu's mother, Albert's wife
• Sabu Varghese as Rahul: Kiran and Soniya's uncle, Sarayu's father and Roopa's brother and wants to separate Kiran and Kalyani and wants Kiran to marry Sarayu and inherit the wealth of Roopa
• Saritha Balakrishnan (2019-2020)/ Beena Antony (2020–Present) as Shari Rahul: Rahul's wife, Sarayu's mother, Kiran and Soniya's aunt
• Baby Janavi Suresh as Kalyan, Son of Kiran and Kalyani
• Jelina p as Parukkutty, Kiran's and Sonia's niece, daughter of DYSP Dineshan and supports Kalyani and wants Kiran to marry Kalyani
• Kalyan Khanna as Vikramadithyan a.k.a. Vikram: Kalyani and Kadambari's younger brother, Prakashan and Deepa's son and Sonia's ex-husband, Charu's father
• Arun Mohan as Ratheeshan: Kadambari's husband who lusts after Kalyani
• Sethu Lakshmi as Bhanumathi: Prakashan's mother, Deepa's mother-in-law, Kalyani, Kadambari and Vikram's grandmother who hates Kalyani
• Anjusree Bhadran / Shari Krishnan as Kadambari Ratheesan: Kalyani and Vikram's elder sister and Ratheesan's wife
• Roshan Mathew John as Thara: Mute maid at Roopa's house, Rahul's illegitimate girlfriend, Sarayu's biological mother
• Aagneya /Natalia Ishael as charuletha:soni and Vikram's daughter
• Karthik Prasad as Baiju: A mentally challenged youth who dreams of marrying Kalyani. Later, he supports Kalyani.
• Jithu Venugopal as Manohar/Riyas/Victor/Rony, a fraud who married many women including Sarayu, Jumana and Nisha
• Kiran Dev as Albhy: Soni's husband, Businessman
• ___ as Chanthu, a local goon
• Mini Sreekumar as Yamini: Domestic help of Roopa
• Swathi Thara as Daisy: Sarayu's friend
• Sreekala as Bhargavi Amma: An old woman who offered Kalyani a job in her thattukada. Domestic help/Care taker of Kalyani and Soni.
• Kottayam Rasheed as Dayanandan, Deepa's brother
• Jose K George as Xavier
• Asha Nair as Xavier's wife
• Thamburu as Linda: Kalyani's best friend
• Haridas as Dasan, Prakashan friend
• Baby Parthavi as Young Kalyani
• Thirumala Ramachandran as Balan, Prakashan's friend
• Reshma R Nair as Dona Kuriakose
  • Manohar's girlfriend
• Aseena Yousuf as Kalyani's friend
• Dr. D Kris venugopal as Kuriakose
  • Leading business man and best friend of CS
• Dayandan as CS's assistant
• Sarayu As Vrinda
  • Neighbour of Kiran, Kalyan, manohar & sarayu
• Sruthisha Nair as Jumana, one of Manohar's wives
• Sreelakshmi Haridas as Dr. Swathi, Sony's friend who is pretending to love Vikram
• Amboori Jayan as advocate
• Niyas Musaliyar as Doctor Pious
• Ashraf as Dr. Thomas
• Suresh as Sanal
• Suresh Babu as Hari
• Kollam Shah as Rajappan
• Athira Madhav as Saranya
• Harisree Martin as Samuel
• Anjusha Gopi as Nisha
• Sariga S as Meghna
• Vishnu Nair as Adarsh
• Lakshmi Keerthana as Nayana
• Rajani Murali as Lakshmi, Prakashan's first wife
• Varsha Ivaliya as Karthika Prakashan, Prakashan and Lakshmi',s daughter

• Meera Vasudevan as Sumithra (episodes 145–147)
• Sai Kiran as Mohan Kumar (episodes 179–182)
• Gauri P. Krishnan as Anumol (episodes 179–182)
• Chef Suresh Pillai as Cookery show judge (Onam episode 2021)
• Shweta Menon as Herself (episodes 557–562) ^[9]
• Sreethu Krishnan as Aleena (episodes 548–550)^[9]
• Noobin Johny as Pratheesh (episodes 548–550)^[9]
• Reshma Nair as Sanjana Pratheesh (episodes 548–550)^[9]
• Manisha Mahesh as Kanmani (episodes 548–550)^[9]
• Sandra Babu as Malavika Nandini (episodes 548–550)^[9]
• Avanthika Mohan as Sreya Nandini (episodes 548–550)^[9]

Mounaragam had a crossover episodes with Patharamattu from November 20 to November 24, 2023. The second crossover, a special Mahasangamam episode, aired on February 14, 2024, as a one-hour Valentine's Day special.

Series was started on 16th December 2019 at 9 PM. It get a huge support after some weeks. Later it was temporary stopped due to covid 19.Then it was again relaunched and started airing at 8.30pm. Later for the Arrival of new series it was again shifted to audience Favourite time for mounaragam at 9pm.From 17th june 2024 It was shifted to 9.30pm for the launch of new series Janakiyudeyum Abhiyudeyum veedu. Later beacuse of huge response and good Trp rating it was back to 9pm. And Again from December 16 for the launch of new serial Pavithram it was Shifted to 9.30pm.