Asgar Mammadoglu was born on 9 February 1946 in the city of Baku. In 1975 he graduated from the drama and film acting faculty of the M. A. Aliyev Azerbaijan State Institute of Arts. In 1977 he was accepted into the acting company of the Academic National Drama Theatre. In 1982 he moved to the Sumgait State Drama Theatre, and six months later moved to the Teaching Theatre. Since 1987 he has returned once again to the Academic National Drama Theatre.
