Main

• Chaitra Reddy as Kayalvizhi Muthuvel alias Kayal: Kamatchi and Muthuvel's elder daughter; Ezhilarasan's love interest (2021–present) (Main Protagonist)
  • Unknown as Child Kayal
• Sanjeev Karthik as Ezhilarasan Rajasekhar alias Ezhil / Kabilan: Sivasankari and Rajasekhar's son; Kayalvizhi's love interest (2021–present) (Main Protagonist)
  • Unknown as Child Ezhil

Recurring

• Vazhakku En Muthuraman as Dharmalingam alias Dharma: Vadivu 's husband; Subramani and Aarthi 's father, Moorthy and Kayalvizhi, Devi and Anandhi, Anbuselvan's uncle (2021–present) (Main Antagonist)
• Chandra Lakshman as Rajalakshmi: Dharmalingam and Muthuvel's sister - (2024-present)
• Meenakumari as Kamatchi: Muthuvel's widow; Moorthy and Kayalvizhi, Devi and Anandhi, Anbuselvan's mother (2021–present) (Protagonist)
• Ayyappan as Moorthy Muthuvel: Kamatchi and Muthuvel 's elder son; Dhanam's Husband (2021–present) (Protagonist)
• Unknown as Child Moorthy
• Janaki Devi / Subha Geetha as Dhanalakshmi alias Dhanam Moorthy: Moorthy's wife (2021–present) (Protagonist)
• Baby Dechina as Anu Moorthy: Dhanam and Moorthy 's daughter (2021–present) (Protagonist)
• Ishwarya Ravichandran / Nila Gracy as Devi Vigneshwaran: Kamatchi and Muthuvel 's first younger daughter
• Unknown as Child Devi
• Gopi as Vigneshwaran alias Vignesh: Devi's Husband (2021–present) (Protagonist)
• Avinash Ashok / Harry / Jeeva Rajendran as Anbuselvan Muthuvel alias (Anbu) : Kamatchi and Muthuvel 's youngest son; Shalini's love interest and husband
• Unknown as Child Anbu
• Sathyapriya Sivasamy as Shalini Anbuselvan: Vedhavalli's daughter; Anbuselvan 's love interest and Wife(2023–present) (Protagonist)
• Abinavya Deepak as Anandhi Muthuvel: Kamatchi and Muthuvel 's youngest daughter (2021–present) (Protagonist)
• Unknown as Child Anandhi
• Sebastian as Petter Arumugam: Moorthy's best friend, Uma's love interest (2021–present) (Protagonist)
• Gayatri Jayaraman (2021-2022)→ Uma Riyaz Khan as Sivasankari Rajasekhar: Rajasekhar's wife; Ezhil's mother (2022–present) (Protagonist)
• Muralidhar Raj as Rajasekhar: Ezhil's father (2021–present) (Protagonist)
• Reehana as Prabhu's mother (2023–present) (Antagonist)
• Ravikumar as Prabhu's father; Sivasankari's brother (2023–present) (Antagonist)
• Birla Bose as Inspector Vajravel (2023–present) (Antagonist)
• Sumangali as Vadivukarasi alias Vadivu Dharmalingam: Dharmalingam 's wife (2021–present) (Antagonist)
• Fawaz Zayani as Subramaniyam alias Subramani Dharmalingam: Vadivu and Dharmalingam's son; Pavithra's Husband; Aarthi's brother (2021–present) (Antagonist)
• Unknown as Child Subramani
• Hensha Deepan as Pavithra Subramaniyam: Subramani's wife; Kayal's friend (2023–present) (Protagonist)
• Rothit Balaiah as Anand : Ezhil's best friend, Aarthi 's husband (2021–present) (Protagonist)
  • Unknown as Child Anand
• Kiran Mai as Aarthi Anand: Vadivu and Dharmalingam's daughter; Anand's wife (2021–present) (Antagonist)
• Unknown as Child Aarthi
• Hema Srikanth as Vedhavalli Chandrasekar: Vignesh and Shalini's mother (2021–present) (Antagonist)
• VM Rajesh Kanna as Chandrasekar: Vignesh and Shalini's father (2021–present) (Protagonist)
• Ghouse Nisha as Uma Sethusingam / (Now Uma Arumuguram @ Petter): Vignesh's ex-fiancé and Arumuguram's love interest (2021–present) (Antagonist)
• Unknown as Daniel (2023–present) (Antagonist)
• Varun Udhai as Doctor Gowtham (2021–present) (Antagonist)
• Annapoorani as Vanitha (2021–present) (Antagonist)
• Suruli as Hospital Dean (2022–present) (Protagonist)
• Swathi Reddy as Ramya: Kayal's friend (2021 - 2023) (Protagonist)
• Jeganathan as Ex-MLA Sethusingam: Vedhavalli's brother; Uma's father (2021 - 2023) (Antagonist)
• Arandhangi Manjula as Uma's mother (2021 - 2022) (Antagonist)
• Sidharth Kapilavayi as Prabhu: Ezhil's maternal cousin (2023) (Antagonist; Dead)
• Bala Singh as Muthuvel: Kamatchi 's husband; Moorthy and Kayalvizhi, Devi and Anandhi, Anbuselvan's father; Dharmalingam 's brother (Posthumous photographic appearance)
• Bharathi Mohan as young Muthuvel

Special appearances

• Gabriella Sellus as Sundari (2022)
• Jishnu Menon as Karthick (2022)
• Riya Manoj as Abhirami (2022)
• Nidhish Kutty as Ilamukhil (2022)
• Aadhish Jatti Jaganathan as Sumo (2022)
• Nimeshika Radhakrishnan as Meera (2022)
• Rahul Ravi as Yuva (2022)
• Vadivukkarasi as Rajalakshmi (2023)
• Aila Syed as Kayal and Ezhil’s daughter (2023)
• Baladitya as Suryakumar: Kayal's fake husband (2023)
• Anusha Prathap as Eshwari (2023)

Development

After the airing of the Sun TV's drama Abhiyum Naanum, its production company Vision Time India Pvt Ltd decide to produce Kayal. The concept of the show was originally based on K. Balachander's 1987 film Manathil Urudhi Vendum. This is the 15th serial produced for Sun TV. The first promo was released on 11 October 2021.^[2]

Casting

Actress Chaitra Reddy landed in lead role in the show, marking his return after Zee Tamil's drama Yaaradi Nee Mohini.^[3][4][5] while Sanjeev Karthik was cast opposite her.^[6] Actor 'Vazhakku En' Muthuraman was cast as the main antagonist Dharmalingam alias Dharma.

Gayatri Jayaraman selected to portray the role of Sivasankari Rajasekhar (Ezhilarasan's Mother) who played an negative role, but in February 2022 she quit the series and it was replaced by Uma Riyaz Khan.^[7] On 15 May 2024, actress Chandra Lakshman was cast as portray the role who played an negative role,^[8] marking her return after Pasamalar (2014-2016).

Distribution

The series was released on 25 October 2021 on Sun TV and digital platform Sun NXT.

Trp Ratings

Kayal became one of the most watched Tamil television program garnering from its launch week in 2021. In August 2023, the series was the first most watched Tamil-language television series with 12.87 TVR (Highest Trp ratings of this serial)