Jayaram as Ramanujan

Soundarya as Jyothi Menon

Innocent as Paul

Sreenivasan as Gopinathan

Nedumudi Venu as Viswanathan

Oduvil Unnikrishnan as K.G. Nambiar

T. P. Madhavan as K.K Karthikeyan

Siddique as Dr. Pradeep

C I Paul as Sukumaran

Mamukkoya as Kunjahammed

Vettukili Prakash as Office boy

V K Sreeraman as Isaac

Arun as Singer

Beena Sabu as Singh's Wife

Rama Devi as Issac's Wife

Susheel Kumar as Jyothi's Relative

Ambika Rao as Flat Secretary

Venu Machad as Nallakannan