Mohammadzadeh’s breakthrough came with the 2012 film I’m Not Angry (Man Asabani Nistam), directed by Reza Dormishian. The film, which explores the story of a young man caught in the turmoil of societal and personal conflict, earned Mohammadzadeh widespread recognition for his compelling portrayal of the protagonist. The film’s candid exploration of contemporary Iranian society, paired with Mohammadzadeh’s powerful performance, marked a turning point in his career.