Suggestions by @ninox

Spoiler

as "The Grandmaster of The Court of Owls" in Gotham Knights

Evan Rachel Wood

as Kate Kane in Gotham Knights

Adam Driver

as Talon in Gotham Knights

Ghassan Massoud

as Ra's al Ghul in Gotham Knights

Sebastian Stan

as Bruce Wayne in Gotham Knights

Susan Sarandon

as Samantha Vanaver in Gotham Knights

Sofia Boutella

as Talia al Ghul in Gotham Knights

Alan Tudyk

as Clayface in Gotham Knights

Amanda Seyfried

as Harley Quinn in Gotham Knights

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