Aghdashloo first began working as a theatre actress at the age of 19, when she starred in a theatrical adaptation of the novel The Narrow Road to the Deep North (1973). Aghdashloo made her American film debut in 1989 in a starring role in Guests of Hotel Astoria. Her television debut came on September 25, 1990, in a guest role in the two-hour episode of the NBC television series Matlock, titled “Nowhere to Turn: A Matlock Mystery Movie”. In the years that followed Aghdashloo appeared on screen sporadically, including in the widely panned Surviving Paradise (2000), written and directed by Kamshad Kooshan.