Suggestions by @feltsisch

Kristine Froseth

as Benvolio in Romeo and Juliet

Score: +1

Joel Edgerton

as Tybalt in Romeo and Juliet

Score: +1

Oscar Isaac

as Mercutio in Romeo and Juliet

Score: +1

Kiersey Clemons

as Juliet in Romeo and Juliet

Score: +1

Alden Ehrenreich

as Romeo in Romeo and Juliet

Score: +1

John Cho

as Rupert Giles in Buffy the Vampire Slayer

Score: +1

Isabelle Fuhrman

as Cordelia Chase in Buffy the Vampire Slayer

Score: +1

Amandla Stenberg

as Willow Rosenberg in Buffy the Vampire Slayer

Score: +1

Ashton Sanders

as Angel in Buffy the Vampire Slayer

Score: +1

Kristine Froseth

as Buffy Summers in Buffy the Vampire Slayer

Score: +1