Aman

Rajendra Kumar

Dr. Gautamdas

Saira Banu

Meloda

Balraj Sahni

Gautamdas' dad

Chetan Anand

Dr. Akhira (Meloda's dad)

Om Prakash

Hurato

Bertrand Russell

Himself (as Lord Bertrand Russell)

Sunder

Yamasaki

Chand Usmani

Hiroka (Hurato's daughter)

Suresh

Sajjan Lal Purohit

Master Shahid

Mridula Rani