यह रात फिर न आएगी

Prithviraj Kapoor

Professor (as Prithviraj)

Biswajeet Chatterjee

Suraj / Surajprakash (as Biswajit)

Sharmila Tagore

Kiran / Kiranmai

Mumtaz Askari

Reeta

Helen

Dancer / Singer (uncredited)