Suggestions by @mintberry

Lulu Antariksa

as Zatanna Zatara in Titans

Score: +1

Keke Palmer

as Bumblebee in Titans

Score: +2

Hayley Kiyoko

as Artemis Crock in Titans

Score: +1

Drew Van Acker

as Aqualad/Tempest in Titans

Score: +1

Joivan Wade

as Cyborg in Titans

Score: +1

Jay Lycurgo

as Robin in Titans

Score: +6

Savannah Welch

as Batgirl/Oracle in Titans

Score: +2

Chella Man

as Jericho in Titans

Score: +1

Iain Glen

as Batman in Titans

Score: +1

Joshua Orpin

as Connor Kent in Titans

Score: +2

Chelsea Zhang

as Rose Wilson in Titans

Score: +1

Esai Morales

as Deathstroke in Titans

Score: +1

Alan Ritchson

as Hawk in Titans

Score: +1

Minka Kelly

as Dove in Titans

Score: +1

Conor Leslie

as Donna Troy in Titans

Score: +1

Curran Walters

as Jason Todd in Titans

Score: +3

Ryan Potter

as Beast Boy in Titans

Score: +2

Anna Diop

as Starfire in Titans

Score: +1

Teagan Croft

as Raven in Titans

Score: +9

Brenton Thwaites

as Nightwing in Titans

Score: +2