Hossein Yari started acting in theatre first, then he joined the Iranian TV.
The TV series Shabe Dahom , directed by Hassan Fathi, owes much of its popularity to Yari's performance. Yari won the best actor in a leading role for his performance in maturity 1999.
In 2005, Yari starred in the internationally acclaimed film Dame sobh as a prisoner on Death Row whose execution (with the slim chance of a pardoning) keeps getting postponed.