Nai Roshni

Ashok Kumar

as Professor Kumar (as Padmashree Ashok Kumar)

Mala Sinha

as Rekha

Biswajit Chatterjee

as Prakash

Raaj Kumar

as Jyoti Kumar

Bhanumathi

as Padma, Professor Kumar's wife

Tanuja Samarth

as Chitra Kumar, Professor Kumar's daughter

Sulochana Latkar

as Prakash's mother and Professor Kumar's first wife

Asit Sen

as Moti, Jyoti's friend at mill

Anwar Hussain

as Ramzan, Jyoti's rickshaw-puller friend

Shachin Sailesh Kumar

as Ramesh Nath

Chaman Puri

as Principal

Pahadi Sanyal

as