Sawise lulus saka Drama Centre taun 1975, Brosnan miwiti gaweyan dadi asisten manajer teater ing York Theatre Royal. Brosnan banjur miwiti karir aktinge ing Wait Until Dark. Sasuwene wektu 6 sasi, Brosnan banjur dipilih karo dramawan Tennessee Williams kanggo meragakake paraga McCabe ing The Red Devil Battery Sign.[12] Penampilane sing