Prithviraj Kapoor
— Professor (as Prithviraj)
Biswajeet Chatterjee
— Suraj / Surajprakash (as Biswajit)
Sharmila Tagore
— Kiran / Kiranmai
Mumtaz Askari
— Reeta
Helen
— Dancer / Singer (uncredited)
Madhumati
— Dancer / Singer (uncredited)
Asit Sen
— Gangaram (uncredited)
B.M. Vyas
— Kiran's Father (uncredited)
Sailesh Kumar
— Rakesh
Harbans Darshan M. Arora
— Doctor (uncredited)