Suggestions by @areaz

Brad Williams

as Mikron O'Jeneus in Teen Titan

Score: +1

Sadie Sink

as Barbara Gordon in Teen Titan

Score: +1

Xolo Maridueña

as Jaime Reyes in Teen Titan

Score: +1

Miles Caton

as Kaldur'ahm in Teen Titan

Score: +1

Esai Morales

as Slade Wilson in Teen Titan

Score: +1

Jack Black

as Control Freak in Teen Titan

Score: +1

Ivanna Sakhno

as Komand'r in Teen Titan

Score: +1

Amandla Stenberg

as M'gann M'orzz in Teen Titan

Score: +1

Quintessa Swindell

as Karen Beecher-Duncan in Teen Titan

Score: +1

Kiernan Shipka

as Tara Markov in Teen Titan

Score: +1

Angourie Rice

as Cassie Sandsmark in Teen Titan

Score: +1

Wolfgang Novogratz

as Conner Kent in Teen Titan

Score: +1

Ethan Cutkosky

as Roy Harper in Teen Titan

Score: +1

Jacob Bertrand

as Wallace West in Teen Titan

Score: +1

Chibuikem Uche

as Vic Stone in Teen Titan

Score: +1

Cailee Spaeny

as Rachel Roth in Teen Titan

Score: +1

Iñaki Godoy

as Garfield Logan in Teen Titan

Score: +1

Sophia Lillis

as Koriand'r in Teen Titan

Score: +2

Levi Miller

as Dick Grayson in Teen Titan

Score: +1

Ricky Whittle

as Teth-Adam in My DCU casting

Score: +1