Nai Roshni

Professor Kumar (as Padmashree Ashok Kumar)

Rekha

Prakash

Jyoti Kumar

Padma, Professor Kumar's wife

Chitra Kumar, Professor Kumar's daughter

Prakash's mother and Professor Kumar's first wife

Moti, Jyoti's friend at mill

Ramzan, Jyoti's rickshaw-puller friend

Ramesh Nath