Prithviraj Kapoor. Prithviraj Kapoor was 59 in Yeh Raat Phir Na Aaygi as 'Professor (as Prithviraj)'.Biswajeet Chatterjee. Biswajeet Chatterjee was 29 in Yeh Raat Phir Na Aaygi as 'Suraj / Surajprakash (as Biswajit)'.Sharmila Tagore. Sharmila Tagore was 21 in Yeh Raat Phir Na Aaygi as 'Kiran / Kiranmai'.Helen. Helen was 26 in Yeh Raat Phir Na Aaygi as 'Dancer / Singer (uncredited)'.Madhumati. Madhumati was >> in Yeh Raat Phir Na Aaygi as 'Dancer / Singer (uncredited)'.Asit Sen. Asit Sen was 48 in Yeh Raat Phir Na Aaygi as 'Gangaram (uncredited)'.B.M. Vyas. B.M. Vyas was >> in Yeh Raat Phir Na Aaygi as 'Kiran's Father (uncredited)'.Sailesh Kumar. Sailesh Kumar was >> in Yeh Raat Phir Na Aaygi as 'Rakesh'.Harbans Darshan M. Arora. Harbans Darshan M. Arora was >> in Yeh Raat Phir Na Aaygi as 'Doctor (uncredited)'.Darshan Sabharwal. Darshan Sabharwal was >> in Yeh Raat Phir Na Aaygi as 'Producer'Harbans Darshan M. Arora. Harbans Darshan M. Arora was >> in Yeh Raat Phir Na Aaygi as 'Producer'R.V. Shrikhande. R.V. Shrikhande was >> in Yeh Raat Phir Na Aaygi as 'Editor'Waman S. Mengle. Waman S. Mengle was >> in Yeh Raat Phir Na Aaygi as 'Assistant Editor'Anil Dutta. Anil Dutta was >> in Yeh Raat Phir Na Aaygi as 'Assistant Editor'Keki Mistry. Keki Mistry was >> in Yeh Raat Phir Na Aaygi as 'Cinematography'Mohammed Rafi. Mohammed Rafi was 41 in Yeh Raat Phir Na Aaygi as 'Playback Singer'Asha Bhosle. Asha Bhosle was 32 in Yeh Raat Phir Na Aaygi as 'Playback Singer'Mahendra Kapoor. Mahendra Kapoor was 31 in Yeh Raat Phir Na Aaygi as 'Playback Singer'Minoo Purushottam. Minoo Purushottam was 21 in Yeh Raat Phir Na Aaygi as 'Playback Singer'Sant Singh. Sant Singh was >> in Yeh Raat Phir Na Aaygi as 'Art Direction'