Suggestions by @themightylorog

Zoë Kravitz

as Golden Glider in The Flash: Catching Cold

Daveed Diggs

as Captain Cold in The Flash: Catching Cold

Brad Dourif

as Dr. Harrison Wells in The Flash: Catching Cold

Ted Danson

as Jay Garrick in The Flash: Catching Cold

Keri Russell

as Iris West-Allen in The Flash: Catching Cold

Maria Zhang

as Linda Park in The Flash: Catching Cold

Louis Partridge

as The Flash in The Flash: Catching Cold

Jane Widdop

as Holly Howell in Dangerous Spider-Man

Sebastian Amoruso

as Spider-Man in Dangerous Spider-Man

Nicholas Alexander Chavez

as "The Second Robin" in Batman: Nightmare

Spoiler

as "The Second Robin" in Batman: Nightmare

Michael Shannon

as Black Mask in Batman: Nightmare

Giancarlo Esposito

as Lucius Fox in Batman: Nightmare

Olivia Colman

as Leslie Thompkins in Batman: Nightmare

Hailee Steinfeld

as The Oracle in Batman: Nightmare

Mackenyu

as Nightwing in Batman: Nightmare

David Harbour

as Harvey Bullock in Batman: Nightmare

Josh Brolin

as Commissioner. Jim Gordon in Batman: Nightmare

Gary Oldman

as Alfred Pennyworth in Batman: Nightmare

Adrien Brody

as Scarecrow in Batman: Nightmare