Suggestions by @alantiedman

Andrew Scott

as Lex Luthor in Batman: The Legend

Anthony Carrigan

as Victor Zsasz in Batman: The Legend

Jon Hamm

as Harvey Dent in Batman: The Legend

Morena Baccarin

as Catwoman in Batman: The Legend

Bill Skarsgård

as Scarecrow in Batman: The Legend

David Zayas

as Salvatore Maroni in Batman: The Legend

Al Pacino

as Carmine Falcone in Batman: The Legend

David Harbour

as Harvey Bullock in Batman: The Legend

Bryan Cranston

as Jim Gordon in Batman: The Legend

Charles Dance

as Alfred Pennyworth in Batman: The Legend

Scott Adkins

as Batman in Batman: The Legend

Jane Levy

as Iris West in What if the DC universe was rebooted

Michael Fassbender

as Reverse Flash in What if the DC universe was rebooted

Jessica Chastain

as Bloody Mary in Dc's Villains

Jack Ryder

as Black Racer in Dc's Villains

Nathan Jones

as Draaga in Dc's Villains

Matt Bomer

as Cobalt Blue in Dc's Villains

Toby Kebbell

as Clayface in Dc's Villains

Tom Hardy

as Catman in Dc's Villains

Al Pacino

as Carmine Falcone in Dc's Villains