несколько лет она играла небольшие

несколько лет она играла небольшие роли, прежде чем сыграла роль главной героини

Результаты (английский) 1:

for several years she played small roles before you played the role of the heroine

Результаты (английский) 2:

a few years she played small roles before played the role of the main character

Результаты (английский) 3:

A few years, it has played a small role, before played a role the main heroine