How many character are there in romeo and Juliet act 1?

In Romeo and Juliet Act 1, there are 15 main characters. Here are the names of the characters:

1. Romeo Montague

2. Juliet Capulet

3. Mercutio

4. Benvolio

5. Tybalt

6. Paris

7. Friar Laurence

8. Lord Montague

9. Lady Montague

10. Lord Capulet

11. Lady Capulet

12. Nurse

13. Peter

14. Sampson

15. Gregory