Suggestions by @knack

Emjay Anthony

as Timothy Drake in Spoiler: The Series

Score: +1

Madison Hu

as Cassandra Cain in Spoiler: The Series

Score: +1

Shay Rudolph

as Stephanie Brown in Spoiler: The Series

Score: +1

Clara Galle

as Stephanie Brown in Batman

Score: +1

Rhys Darby

as Joe Coyne in Spoiler: The Series

Score: +1

Jason Mantzoukas

as Leonard Fiasco in Spoiler: The Series

Score: +1

Simon Pegg

as Jervis Tetch in Spoiler: The Series

Score: +1

Aisha Tyler

as Veronica Sinclair in Spoiler: The Series

Score: +1

Curtis Armstrong

as Garfield Lynns in Spoiler: The Series

Score: +1

Avan Jogia

as Lonnie Machin in Spoiler: The Series

Score: +1

Ike Barinholtz

as Lester Buchinsky in Spoiler: The Series

Score: +1

Stephanie Beatriz

as Renee Montoya in Spoiler: The Series

Score: +1

Elias Koteas

as Jim Gordon in Spoiler: The Series

Score: +1

Bobby Cannavale

as Roman Sionis in Spoiler: The Series

Score: +1

Matt Oberg

as Charles Brown in Spoiler: The Series

Score: +1

David Hornsby

as Arthur Brown in Spoiler: The Series

Score: +1

Milo Ventimiglia

as Bruce Wayne in Spoiler: The Series

Score: +1

Kennedy McMann

as Barbara Gordon in Spoiler: The Series

Score: +1

Natasha Liu Bordizzo

as Cassandra Cain in Spoiler: The Series

Score: +1

Lucas Jade Zumann

as Tim Drake in Spoiler: The Series

Score: +1