Phir Kab Milogi

Sapna (Mala Sinha) is having fun meeting her employee Rajesh (Biswajit) as Paro, and then, in the city as Sapna; and Rajesh falls for the simplicity of Paro. His heart breaks when he realizes both Sapna and Paro are one, and he leaves his job, and goes to a remote village, where he once again meets Sapna, but this time, as a would be of local contractor, Diwan Sahab. She is taken hostage by Teja (Dilip Kumar) because of a confusion that she is his sister. His sister, realizing that Teja would kill Sapna, lets her go, but Sapna doesn't reach back to her cottage. Would Rajesh ever be able to tell her he loved her; more importantly, is Sapna alive?

• Mala Sinha as Sapna Sheth / Paro
• Biswajeet as Rajesh Sharma (as Biswajit)
• Deven Verma as Devi Das (as Deven Varma)
• Vijaya Choudhury as Neela (as Vijaya Chowdhary)
• Abhi Bhattacharya as Inspector
• Kumari Naaz as Amba (as Naaz)
• David Abraham as Drunk (as David)
• Sailesh Kumar as Sailesh
• Sujata
• Bipin Gupta as Sapna's Father
• Neelima as Nilima
• Ram Murti Chaturvedi
• Uma Dutt as Employer
• Praveen Paul as Neela's Mother (as Pravin Paul)
• Dilip Kumar as Teja Singh (Guest Appearance)
• Bishan Khanna

The soundtrack was composed by R. D. Burman and the credit for the lyrics goes for Majrooh Sultanpuri. The song "Kahin Karti Hogi" was an inspiration taken from "The Lonely Bull" by Herb Alpert.Entire song is different but 'Mukhda' can be called inspired.

• Phir Kab Milogi at IMDb