* Rajesh Khanna as Ravi Kumar
* Mumtaz as Indu
* Pran as Dr. Harish
* Helen as a dancer (uncredited)
* Nazir Hussain as Indu's father
* Kamini Kaushal as Ravi's mother
* Agha as Ravi's father
* Sulochana as Indu's mother
* Manmohan as Indu's brother
* Lalita Pawar as Dr. Harish's mother
* Dhumketu as a lawyer
* Sunder as a detective
* Birbal as Indu's neighbour
This is not an exhaustive list, as many actors had smaller roles in the film.