πρωταγωνίστρια → actress in leading role, chief character, headliner, lead, leading actress, leading figure, leading lady, leading woman, main actress, major figure, principal, principal actress, principal performer, protagonist, star, starring role

[spiros]

πρωταγωνίστρια → protagonist, leading actress, star, lead, principal, leading woman, starring role, lead, leading figure, major figure
πρωταγωνιστής → actor in leading role, chief character, headliner, lead, leading actor, leading figure, leading man, main actor, main man, major figure, principal, principal actor, principal performer, protagonist, star, starring role