Prem Nazir
as Mohanan

Sathyan
as Dr Thomas

Madhu
as Sadanandan

Sheela
as Sarojam

Supporting Roles

Sukumari as Girlie	Adoor Bhasi as Manthravaadi	PJ Antony as Keshava Swami	TR Omana as Mohanan's Mother
Bahadoor as Health Visitor	GK Pillai as Mohanan's Father	Indira Thampi as Sarala	Junior Sheela
Kambissery Karunakaran as Leprosy Patient	Santhadevi as Lakshmi	Thoppil Krishna Pillai

Ezhu Sundara Raathrikal

Singer : P Susheela   |   Lyrics : Vayalar   |   Music : G Devarajan

Karutha Chakravaalamathilukal

Singer : P Susheela, Chorus   |   Lyrics : Vayalar   |   Music : G Devarajan

Oridathu Jananam

Singer : KJ Yesudas   |   Lyrics : Vayalar   |   Music : G Devarajan

Thekkumkooradiyaathi

Singer : B Vasantha   |   Lyrics : Vayalar   |   Music : G Devarajan

Udayagiri Chuvannu

Singer : P Susheela   |   Lyrics : Vayalar   |   Music : G Devarajan