A professor who found out a formula to make diamonds from oil is killed in Tehran and his nephew who is a spy is sent to Tehran by Interpol in order to find the formula.
Nancy Kovack
Taghi Zohuri
Marina Mater
Zackaria Hashemi
Nersi Korkia
Katayun Amir Ebrahimi
Hamide Kheyrabadi
Dariush Talayi
Saber Atashin
Firouz
Jahangir Ghaffari
Hosein Gil
