Background and aimUnderstanding the characteristics of global policy actors and the political context in which they address diplomatic issues in the field of NCDs can play an important role in advancing NCD-related goals. The purpose of this study was to identify and analyze the network of global health actors in the field of NCDs in Iran.MethodsThis study was conducted in 2020 using a qualitative methodology and framework analysis. In-depth semi-structured interviews were conducted with subject-matter experts from all levels of diplomacy, including global, regional, and national, who had managerial, administrative, and academic experience.FindingsA total of 21 interviews were conducted with individuals who met the inclusion criteria. Following the framework of the World Health Network, the findings were divided into three general areas: the features of the network and the actors; the policy environment; and the characteristics of the issue.ConclusionA successful and sustainable program to combat NCDs requires the participation of multiple actors from governments, the private sector, and civil society at international, national, and local levels. The Global Network for Prevention and Control of NCDs should enhance the effectiveness of NCDs policies by highlighting the need to simultaneously improve the internal factors of the network, including relationships among the actors; external factors, including the policy environment; and the complex nature of NCDs.Supplementary InformationThe online version contains supplementary material available at 10.1186/s12992-023-00944-7.