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Usha Elizabeth as Sri Ram's mother and Vignesh and Bhavya's step mother.Deepa Nethran as Vicky and Bhavya's mother and Sri Ram's step mother.
Ravi'/(Jeeva Ravi) as Sri Ram, Vignesh and Bhavya's father Ligeswaran (Black Pandi) as Pandi (Black Pandi).Michael Thangadurai as Michael Varadharaj.
Vignesh Kumar 'Vicky Krish' as Vignesh 'Vicky'. Gauthami as herself (special appearance). Swaminathan as Gaja/Aalaiyamani (Temple bell) (special appearance). Nisha Venkat as herself (special appearance). Divyadharshini 'DD' as herself (special appearance). Deepak Dinkar as himself (special appearance). Sivakarthikeyan as himself (special appearance). Suchithra as Kalavathi, Raghavi's sister. Theni Murugan as Murugan, Pachaiyappan's father. Rathnaraj as Kathiresan, police Inspector. Kousalya Senthamarai as Rajammal, Rajendran's mother. Engineer Srinivasan as Rajendran's father. Raviraj as Gabriel Arokyaraj, Joseph's father. Naren (Aadukalam Naren) as Chidambaram, correspondent. Rekha as Lakshmi, Raghaviand Sanghavi's mother. Bhanu Chander as Rajendran, Raghavi and Sanghavi's father. Gadam Kishan as Ramakrishnan 'Kichcha'/(Kishan). Raghavendran as Pulikesi 'Puli'(Puli Gates/Sullan). Vasudeva Krish Madhusudhan 'Madhu' as Pachaiyappan 'Pachai'. Hariharan 'Hari' as Krishnamoorthy 'Krishna'/'Krish'. Lingeswaran (Black Pandi) as Pandi (Black Pandi). Later another sequel to the serial called Kana Kaanum Kalangal Kalloori Saalai was made, Both the sequels were focussed on college life. A sequel to the serial called Kana Kaanum Kaalangal Kallooriyin Kadhai has been made. It is first Indian television drama to focus solely on adolescence and school life and became a trend setter and topped the TRP of Tamil serials. Kana Kaanum Kaalangal (Tamil: கனா காணும் காலங்கள்) was a Tamildramasoap opera aired on weekdays on STAR Vijay.