I. SUMMARY Understanding the roles of the different corporate actors serves as a key to effective corporate governance. It is essential to be knowledgeable about each corporate actor's respective roles and interest and their relationship with both internal and external corporate parties to understand the concept of corporate governance further. Thus, this paper seeks to briefly discuss the roles and interests as well as the duties and responsibilities of the following corporate actors: (1) Board of directors, (2) Corporate Secretary, (3) Management, (4) Employees, (5) Unions, (6) Shareholders, (7) External Auditor, (8) Regulators, (9) Government, (10) Stock Exchangers, and (11) Potential Investors. In addition, the researchers discussed the essence and significance of their acquired knowledge from the topic. Also, they discussed how they could apply their insights to become competent individuals as a student and as the future leaders and professionals in the society. II. BODY