Suggestions by @ifancast

Eli Goree

as Victor Stone in Cyborg (MINISERIES)

Reinaldo Marcus Green

as Director in The Manhunter

Bill Camp

as Captain Harding in The Manhunter

Imani Lewis

as Who is Sarah? in The Manhunter

Miss Martian

as Who is Sarah? in The Manhunter

Spoiler

as Who is Sarah? in The Manhunter

Florence Kasumba

as Cay'an in The Manhunter

Forest Whitaker

as M'yrnn J'onzz in The Manhunter

Demi Singleton

as K'hym J'onzz in The Manhunter

Janelle Monáe

as Sarah in The Manhunter

Janelle Monáe

as M'yri'ah J'onzz in The Manhunter

Sterling K. Brown

as Ma'alefa'ak in The Manhunter

Mackenzie Davis

as Det. Diane Meade in The Manhunter

Brian Tyree Henry

as Det. John Jones in The Manhunter

Matthew Vaughn

as Director in Arrow/Birds of Prey

Wagner Moura

as Ricardo Diaz in Arrow/Birds of Prey

Zhang Jingchu

as Chien Na White in Arrow/Birds of Prey

Okieriete Onaodowan

as Daniel Brickwell in Arrow/Birds of Prey

Ethan Hawke

as Merlyn in Arrow/Birds of Prey

Jeffrey Wright

as Ted Grant in Arrow/Birds of Prey