Cast & crew
Woh Kaun Thi (1964)
Directed by Raj Khosla Written by Dhruva Chatterjee
Cast
| Prem Chopra | Ramesh |
| Helen | Seema |
| K.N. Singh | Dr Chaleck |
| Parveen Choudhary | Lata |
| Sadhana Shivdasani | Sandhya |
| Dhumal | Madhav |
| Mohan Choti | Sher |
| Manoj Kumar | Anand Patekar |
Crew
| D.N. Pai | Editor |
| Mahendra Kapoor | Playback Singer |
| Dhruva Chatterjee | Writer |
| Lata Mangeshkar | Playback Singer |
| Asha Bhosle | Playback Singer |
| N.N. Sippy | Producer |
| Madan Mohan | Original Music Composer |
| Mohammed Rafi | Playback Singer |
| K.H. Kapadia | Director of Photography |
| Raj Khosla | Director |