Suggestions by @kevinbrettauer

Grant Morrison

as The Writer in The Suicide Squad (sequel casting ideas)

Score: +1

Paddy Considine

as Starbreaker in The Suicide Squad (sequel casting ideas)

Score: +1

Christoph Waltz

as Count Vertigo in The Suicide Squad (sequel casting ideas)

Score: +1

Jeremy Davies

as Mad Hatter in The Suicide Squad (sequel casting ideas)

Score: +1

Josh Stewart

as Reverse-Flash in The Suicide Squad (sequel casting ideas)

Score: +1

Timothy Olyphant

as Catman in The Suicide Squad (sequel casting ideas)

Score: +1

W. Earl Brown

as Nukeface in The Suicide Squad (sequel casting ideas)

Score: +1

Ally Maki

as Cheshire in The Suicide Squad (sequel casting ideas)

Score: +1

William Jackson Harper

as Mr. Freeze in The Suicide Squad (sequel casting ideas)

Score: +1

Lyne Renee

as Lena Luthor in The Suicide Squad (sequel casting ideas)

Score: +1

John Carroll Lynch

as Parasite in The Suicide Squad (sequel casting ideas)

Score: +1

Jonathan Tucker

as Phantom Lantern in The Suicide Squad (sequel casting ideas)

Score: +1

Taylor Hickson

as Strix in The Suicide Squad (sequel casting ideas)

Score: +2

Jessica Henwick

as Golden Glider in The Suicide Squad (sequel casting ideas)

Score: +3

Jason Isaacs

as Per Degaton in The Suicide Squad (sequel casting ideas)

Score: +1

Janet Mock

as Veronica Cale in The Suicide Squad (sequel casting ideas)

Score: +1

Dominique Tipper

as Livewire in The Suicide Squad (sequel casting ideas)

Score: +1

Jessica Sutton

as Punchline in The Suicide Squad (sequel casting ideas)

Score: +1

Hamish Linklater

as Ten-Eyed Man in The Suicide Squad (sequel casting ideas)

Score: +1

Garret Dillahunt

as Mirror Master in The Suicide Squad (sequel casting ideas)

Score: +1