Sulekha is in awe of her brother-in-law Raghavendra for his intelligence. Parimal, her husband, decides to take up the challenge of fooling Raghavendra and goes to work for him as a driver.
| Actor | Role |
|---|---|
 DharmendraDr. Parimal Tripathi / Pyare Mohan | Dr. Parimal Tripathi / Pyare Mohan |
 Sharmila TagoreSulekha Chaturvedi | Sulekha Chaturvedi |
 Om PrakashRaghavendra Sharma | Raghavendra Sharma |
 Usha KiranSumitra Sharma | Sumitra Sharma |
 Amitabh BachchanProfessor Sukumar Sinha | Professor Sukumar Sinha |
 AsraniPrashant Kumar Shrivastav | Prashant Kumar Shrivastav |
 Jaya BachchanVasudha | Vasudha |
 Lily ChakravartyLata Shrivastav | Lata Shrivastav |
 David Abraham CheulkarHaripad Chaturvedi | Haripad Chaturvedi |
 Keshto MukherjeeJames D'Costa | James D'Costa |
 Lalita KumariBotany Teacher | Botany Teacher |
| DDev KishanKaka (Old House Keeper) | Kaka (Old House Keeper) |
| HHarish MaganThief | Thief |
| AAmal SenDoorman | Doorman |