Suggestions by @whitedevil

Samara Weaving

as Harleen Quinzel in Gotham Knights: A Batman Family Story

Pete Ploszek

as Dr. Thomas "Tommy" Elliot in Gotham Knights: A Batman Family Story

Charlie Murphy

as Victoria "Vicki" Vale in Gotham Knights: A Batman Family Story

Andy Serkis

as Basil Karlo in Gotham Knights: A Batman Family Story

Hugo Weaving

as Kirk Langstrom in Gotham Knights: A Batman Family Story

Dan Aykroyd

as Arnold Wesker in Gotham Knights: A Batman Family Story

Clint Howard

as Harold Allnut in Gotham Knights: A Batman Family Story

Imogen Poots

as Elizabeth "Beth" Kane in Gotham Knights: A Batman Family Story

Brianne Howey

as Katherine "Kate" Kane in Gotham Knights: A Batman Family Story

Owen Teague

as James Gordon Jr. in Gotham Knights: A Batman Family Story

Stuart Martin

as Thomas Wayne Jr. in Gotham Knights: A Batman Family Story

Karen Allen

as Dr. Leslie Thompkins in Gotham Knights: A Batman Family Story

Tamlyn Tomita

as Catherine Kane in Gotham Knights: A Batman Family Story

Kevin Costner

as Jacob Kane in Gotham Knights: A Batman Family Story

America Ferrera

as Renee Montoya in Gotham Knights: A Batman Family Story

Faran Tahir

as Ra's al Ghul in Gotham Knights: A Batman Family Story

May Calamawy

as Talia al Ghul in Gotham Knights: A Batman Family Story

Walker Scobell

as Damian Wayne in Gotham Knights: A Batman Family Story

Darren Barnet

as Jason Todd in Gotham Knights: A Batman Family Story

Archie Renaux

as Timothy "Tim" Jackson Drake in Gotham Knights: A Batman Family Story