Suggestions by @kittyvalentine

Tom Welling

as Bruce Wayne in Gotham City Sirens

Jeremy Shada

as Tim Drake in Gotham City Sirens

Aramis Knight

as Damian Wayne in Gotham City Sirens

Ellen Wong

as Talia Al Ghul in Gotham City Sirens

Rowan Blanchard

as Helena Kyle in Gotham City Sirens

Anthony Stewart Head

as Alfred Pennyworth in Gotham City Sirens

Melissa O'Neil

as Nyssa Al Ghul in Gotham City Sirens

Rowan Athale

as Helena Kyle in Gotham City Sirens

Amanda Seyfried

as Harleen Quinzel in Gotham City Sirens

Christina Hendricks

as Pamela Isley in Gotham City Sirens

Summer Glau

as Selena Kyle in Gotham City Sirens