Suggestions by @drdocter

Zoë Kravitz

as Mera in Aquaman

Kumail Nanjiani

as Thomas Curry in Aquaman

Ken Jeong

as Dr. Stephen Shin in Aquaman

Priyanka Chopra Jonas

as Queen Atlanna in Aquaman

Mahershala Ali

as Black Manta in Aquaman

Riz Ahmed

as Orm in Aquaman

Dev Patel

as Arthur Curry in Aquaman

Danny Elfman

as Composer in The Batman (1992)

batsonjacksont

as Duke Leto Atreides in Dune

amario

as Paul Atreides in Dune

mystoreo

as Gaius Helen Mohiam in Dune

Quintessa Swindell

as Iris West in The Flash

Alfred Enoch

as Eobard Thawne in The Flash

Colman Domingo

as Henry Allen in The Flash

Toni Collette

as Nora Allen in The Flash

Justice Smith

as Barry Allen in The Flash

Elizabeth Gillies

as Betty Brant in The Spectacular Spiderman 2

Liu Yifei

as Dr. Poison in Wonder Woman

Viggo Mortensen

as Ares in Wonder Woman

Octavia Spencer

as Etta Candy in Wonder Woman