So before getting started here are some of the characters.

Character 1 (main)

Name - July Hudgens

Age - 24

Gender - Female

Profession - Songwriter

Character 2 (main)

Name - Noah Blake 

Age - 26

Gender - Male

Profession - Singer

Character 3 (main)

Name - Anata no koe

Age - Unknown

Gender - Female

Profession - Unknown 

Character 4 (main)

Name - Cleo Buston

Age - 23

Gender - Female

Profession - Model

Character 5 (main)

Name - Luis Clifford

Age - 26

Gender - Male

Profession - Director of a company

So they were the main character.

Here are other.

Character 1

Name - Jenny Hudgens

Age - 47

Gender - Female

(July's mom)

Character 2

Name - Garrett Hudgens

Age - 54

Gender - Male

(July's dad)

Character 3

Name - Harvey Blake

Age - 56

Gender - Male

(Noah's dad)