Suggestions by @johnmaximus

Michael Jai White

as Aaron Cash in Batman: Arkham - Episode 3: Catwoman's Revenge

Score: +1

Sam Rockwell

as Edward Nigma | The Riddler in Batman: Arkham - Episode 3: Catwoman's Revenge

Score: +1

Wolfgang Novogratz

as Dick Grayson | Nightwing in Batman: Arkham - Episode 2: Cuckoo for Incarceration

Score: +1

Brendan Gleeson

as Oswald Cobblepot | The Penguin in Batman: Arkham - Episode 2: Cuckoo for Incarceration

Score: +1

Evan Rachel Wood

as Pamela Isley | Poison Ivy in Batman: Arkham - Episode 2: Cuckoo for Incarceration

Score: +1

Sydney Sweeney

as Harleen Quinzel | Harley Quinn in Batman: Arkham - Episode 2: Cuckoo for Incarceration

Score: +1

Ethan Hawke

as Commissioner James Gordon in Batman: Arkham - Episode 1: A Matter of Family

Score: +1

Willem Dafoe

as The Joker in Batman: Arkham - Episode 1: A Matter of Family

Score: +1

Aidan Gallagher

as Tim Drake | Robin in Batman: Arkham - Episode 1: A Matter of Family

Score: +1

Sydney Sweeney

as Harleen Quinzel | Harley Quinn in Batman: Arkham - Episode 1: A Matter of Family

Score: +1

Maya Hawke

as Barbara Gordon | Batgirl in Batman: Arkham - Episode 1: A Matter of Family

Score: +1

Rachael Taylor

as Vicki Vale in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Domhnall Gleeson

as Jonathan Crane | Scarecrow in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Michael Jai White

as Aaron Cash in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Tanner Buchanan

as Jason Todd | Red Hood in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Maya Hawke

as Barbara Gordon | Oracle in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Aidan Gallagher

as Tim Drake | Robin in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Ralph Fiennes

as Alfred Pennyworth in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Ethan Hawke

as Commissioner James Gordon in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1

Jake Gyllenhaal

as Bruce Wayne | Batman in Batman: Arkham - Episode 10: Knightfall (Finale)

Score: +1