Patharamattu

As the story unfolds on the auspicious occasion of Onam, the paths of Kanakadurga's daughters and the Moorthy brothers intersect. Nayana, with her artistic skills, ventures to decorate the walls of the Moorthy household, accompanied by her covetous mother, Kanakadurga, who harbors hopes of securing prosperous matches for her daughters.

In the opulent setting of the Moorthy residence, the dynamics of the family become apparent. The three brothers, each with their distinct personalities, form the nucleus of the family. Aniruddh, the youngest, captivates with his poetic prowess, while Abhinand exudes a carefree demeanor, often overshadowed by his envy towards Adarsh, the eldest brother and the family's pillar of responsibility.

Amidst the festivities and preparations for Onam, the paths of Nayana and Adarsh cross, igniting a spark that neither anticipated. Nayana's talent and charm draw Adarsh's attention, and a connection begins to bloom, much to the chagrin of Kanakadurga, who sees in Adarsh the embodiment of her desires for her daughters' matrimonial prospects.

Meanwhile, Abhinand, fueled by his envy and desire to outshine his brother, plots to thwart any potential alliance between Nayana and Adarsh, aiming to secure his own interests in the process.

As the event continues and Nayana and Adarsh grow closer, interpersonal conflicts and family expectations emerge, forcing both families to make decisions that affect their futures.

Main

• Neena Kurup as Kanakadurga: A greedy woman; Govindan's wife; Navya, Nayana and Nandana's mother.
• Lakshmi Keerthana as Nayana: A Talented Designer ; Govindan and Kanakadurga's daughter; Navya's younger sister; Nandana's elder sister; Adarsh's wife.
• Vishnu V Nair as Adarsh Moorthy a.k.a Aadi/ Aadarshettan: A Gold businessman;Ananathamoorthy and Vasundhara's Eldest grandson, Jayan and Devayani's son; Abhinand, Anirudh's, Avanthika and Athulya's cousin; Nayana's husband; Navya's ex-boyfriend.
• Kris Venugopal as Ananthamoorthy a.k.a Moorthy sir : A Renowned Businessman; Vasundhara's husband; Jayan, Ajayan, Madumadhi'father;Jalaja's foster father;Adarsh, Abhinand, Anirudh, Avanthika and Athulya's Grandfather
• Ambika Nair (EP 2 to 53) / [[Bindu Ramakrishnan]] (EP 54-Present) as Vasundhara moorthy: Ananthamoorthy's wife; Jayan and Ajayan and Madumadhi's mother; Jalaja's foster mother;Adarsh, Abhinand, Anirudh, Avanthika and Athulya's grandmother.

Recurring

• Reshmi Rahul as Devayani : Jayan's Wife; Adarsh's Mother; Nayana's mother-in-law; Ananthamoorthy's and Vasundhara's Daughter-in-law; Sukumaran Nair's Daughter.
• Tony as Govindan : Kanakadurga's husband; Navya, Nayana and Nandana's father;A Poor Man.
• Anusha Aravindakshan as Navya: A gold digger; Govindan's and Kanakadurga's eldest Daughter; Nayana and Nandana's elder sister; Abhinand's wife; Adarsh's ex-girlfriend;now supports Nayana.
• Akash Murali as Abhinand a.k.a Abhi: A playboy; Ananathamoorthy's second grandson; Jalaja's son; Avanthika's brother; Adarsh, Anirudh and Athulya's cousin; Navya's husband.
• Gopika as Nandana a.k.a Nandu: A tomboy; Govindan and Kanakadurga's youngest daughter; Navya and Nayana's younger sister; Anirudh's crush.
• Vishnu Balakrishnan as Anirudh a.k.a Ani: A kind hearted man; Ananathamoorthy's youngest Grandson; Ajayan and Janaki's son; Athulya's brother; Adarsh, Abhinand and Avanthika's cousin; Anamika's Husband; Nandu's Love Interest.
• Smitha Samuel (EP 1-1035)/ Padma George (EP 1036-present) as Jalaja : Ananthamoorthy and Vasundhara's foster daughter; Abhinand and Avanthika's mother; Jayan, Ajayan, Madhumadhi's sister; who hates Devayani and Nayana.
• Murali Mohan as Jayan (EP 1 -226)/ Yehia Kader(EP 227-Present) as Jayan: Ananthamoorthy and Vasundhara's son; Devayani's husband; Adarsh's father; Jalaja, Ajayan, Madhumadhi's brother.
• Nithya Sasi as Janaki (EP 1 -115)/ Bimitha Titto as Janaki (EP 116 -Present): Ajayan's wife;Ananthamoorthy and Vasundhara's daughter-in-law; Anirudh and Athulya's mother; Supports Nayana;Wants Anamika as her in law
• Manikandan as Ajayan: Ananthamoorthy and Vasundhara's son; Jayan, Jalaja and Madumadhi's brother; Janaki's husband; Anirudh and Athulya's father.
• Greeshma Remesh as Anamika: A greedy lady pretends as rich; Anirudh's first wife.
• Sonu Jacob as Avanthika: Jalaja's daughter; Abhinand's sister; Adarsh, Anirudh’s, Athulya's cousin; Hates Nayana and Navya.
• Karthika Kannan as Vanaja: Kanakadurga's sister; Navya, Nayana and Nandana's Aunty.
• Amith as Jalaja's husband.
• Irene as Madhumadhi: Ananthamoorthy and Vasundhara's daughter; Jayan, Jalaja and Ajayan's sister.Settled in abroad.
• Dhanisha Binis as Revathy : Anamika's mother;Anirudh's Mother-in-law

Guest

• Akhil Marar as Director (Promo appearance)
• Sreepath as Writer(Promo appearance)
• Reneesha Rahiman (Promo Appearance)
• Subbalakshmi as Muthassi (Promo Appearance)
• Naleef Gea as Kiran Mounaragam serial
• Aishwarya Ramsai as Kalyani Mounaragam serial
• Suresh Pillai as Chef Pillai

Patharamattu had crossover with Mounaragam from 20 November to 24 November 2023 also second Mahasangamam with Mounaragam was telecasted on Valentine's Day, 2024.

The TRP performance of Patharamattu according to Broadcast Audience Research Council (BARC) is as follows:

TRP ratings have not been published since 2 July 2026, after the Ministry of Information and Broadcasting (India) directed BARC to suspend the publication of television ratings across all genres until its licence is renewed under the Television Ratings Policy, 2026.