Suggestions by @iamtiredandcrazy

Sophia Boutella

as Zatanna Zatara in Gunnverse

Score: +1

Lucas Till

as Barry Allen in Gunnverse

Score: +1

Grant Gustin

as Barry Allen in Gunnverse

Score: +1

Colin Ford

as Barry Allen in Gunnverse

Score: +1

Ella Balinska

as Koriand'r in Gunnverse

Score: +2

Halle Bailey

as Koriand'r in Gunnverse

Score: +1

Anya Chalotra

as Circe in Gunnverse

Score: +1

Nicholas Hoult

as Lex Luthor in Gunnverse

Score: +1

Freddie Stroma

as Adrian Chase in Gunnverse

Score: +1

David Corenswet

as Clark Kent in Gunnverse

Score: +1

Harrison Ford

as Jon Kent Sr in Gunnverse

Score: +1

Kristen Stewart

as Kate Kane in Gunnverse

Score: +1

Cameron Crovetti

as Billy Batson in Gunnverse

Score: +1

Cooper Barnes

as Captain Marvel in Gunnverse

Score: +1

Jeremy Allen White

as Hartley Rathaway in Gunnverse

Score: +1

Alan Ritchson

as Hank Hall in Gunnverse

Score: 0

John Cena

as Christopher Smith in Gunnverse

Score: +1

Nathan Fillion

as Guy Gardner in Gunnverse

Score: +1

Milly Alcock

as Kara Danvers in Gunnverse

Score: +1

Viola Davis

as Amanda Waller in Gunnverse

Score: +1