Dharmendra

as Satyapriya 'Sath' Acharya

Sharmila Tagore

as Ranjana

Ashok Kumar

as Satyasharan 'Dadji' Acharya

Sanjeev Kumar

as Narendra 'Naren' Sharma

Rabi Ghosh

as Anantho Chatterjee

Sarika

as Kabul S. Archarya

Tarun Bose

as Mr. Ladia

Asrani

as Peter

Dina Pathak

as Harbhajan's Mother

Manmohan

as Kunver Vikram Singh

Uma Dutt

as Chief Engineer

Rajan Haksar

as Shyam Sunder

Dev Kishan

as Shiv Nandan