Suggestions by @chrisriddle_redheart

Sharon Leal

as M'gann M'orzz in Supergirl & Lena

Score: +1

Hailee Steinfeld

as Esme Olsen-Danvers in Supergirl & Lena

Score: 0

Jesse Rath

as Querl Dox/Brainiac 5 in Supergirl & Lena

Score: +1

Tyler Posey

as Joseph Theodore Maxwell in Supergirl & Lena

Score: 0

Melissa Benoist

as Kara Zor-El/Kara Danvers in Supergirl & Lena

Score: +1

Odette Annable

as Reign in Supergirl: Woman of Tomorrow

Score: +1

Katie McGrath

as Lena Luthor in Supergirl: Woman of Tomorrow

Score: +5

Melissa Benoist

as Supergirl in Supergirl: Woman of Tomorrow

Score: -3

Gal Gadot

as Wonder Woman in Last Children of Krypton

Score: +1

Melissa Benoist

as Supergirl/Kara Danvers in Last Children of Krypton

Score: +1

Tyler Hoechlin

as Clark Kent in The Royal Family | Supergirl AU

Score: +1

Elizabeth Tulloch

as Lois Lane in The Royal Family | Supergirl AU

Score: +1

Christain Bale

as Batman in DC’s Zatanna

Score: +1

Jesse Rath

as Querl Dox/Brainiac 5 in The Royal Family | Supergirl AU

Score: +1

Lucy Hale

as Madison Ardeen-Matthews in The Royal Family | Supergirl AU

Score: +1

Danielle Campbell

as Madison Adreen-Matthews in The Royal Family | Supergirl AU

Score: +1

Jason Behr

as Zor-El in The Royal Family | Supergirl AU

Score: +1

Azie Tesfai

as Kelly Olsen in The Royal Family | Supergirl AU

Score: +1

Erica Durance

as Alura Zor-El in The Royal Family | Supergirl AU

Score: +1

John Glover

as Lionel Luthor in The Royal Family | Supergirl AU

Score: +1