A wealthy mill owner, Durgadas Prasad, hires a secretary to handle his office work. She falls in love with Billoo, who incidentally happens to be Durgadas' estranged grandson.
| Actor | Role |
|---|---|
 DharmendraBalraj 'Biloo' Das Prasad | Balraj 'Biloo' Das Prasad |
 Saira BanuGayatri | Gayatri |
 Sujit KumarAdvocate Ramesh Khanna | Advocate Ramesh Khanna |
 Nazir HussainDurga Das Prasad | Durga Das Prasad |
 Jeevan DharIqbal Nath | Iqbal Nath |
 Rajendranath MalhotraAnokhe Lal | Anokhe Lal |
 ShammiSatwanti | Satwanti |
 ShivrajDr. Shivraj | Dr. Shivraj |