Suggestions by @ninox

Scott Adkins

as The Penguin in Gotham Knights

Paddy Considine

as Mister Freeze in Gotham Knights

Kate Higgins

as Batcomputer in Gotham Knights

Hynden Walch

as Batcomputer in Gotham Knights

Vince Vaughn

as Det. Harvey Bullock in Gotham Knights

Ving Rhames

as Lucius Fox in Gotham Knights

Diane Guerrero

as Commissioner Renee Montoya in Gotham Knights

Mark Strong

as Alfred Pennyworth in Gotham Knights

Kiera Allen

as Oracle in Gotham Knights

D'Pharaoh Woon-A-Tai

as Red Hood in Gotham Knights

Forrest Wheeler

as Robin in Gotham Knights

Teagan Croft

as Spoiler in Gotham Knights

Rish Shah

as Nightwing in Gotham Knights

Mackenyu

as Nightwing in Gotham Knights

Samoa Joe

as Non in Superman

Andy Serkis

as Toyman in Superman

Izaac Wang

as Toyman in Superman

Maia Reficco

as Volcana in Superman

Isabela Merced

as Volcana in Superman

Sophie Thatcher

as Silver Banshee in Superman