Suggestions by @pepecrossbar

Joseph Kosinski

as Director in Superman: Birthright

Geoff Johns

as Producer in Superman: Birthright

Ted Allpress

as Bruce Wayne (Flashback) in Batman: The Gotham Vigilante

Thomas Jane

as Thomas Wayne (Flashback) in Batman: The Gotham Vigilante

Lena Headey

as Martha Wayne (Flashback) in Batman: The Gotham Vigilante

Rupert Friend

as Polilla Asesina in Batman: The Gotham Vigilante

Clive Owen

as Jim Gordon in Batman: The Gotham Vigilante

Lily James

as Vicki Vale in Batman: The Gotham Vigilante

Bill Nighy

as Alfred Pennyworth in Batman: The Gotham Vigilante

Toby Jones

as El Pingüino in Batman: The Gotham Vigilante

Jason Statham

as Deadshot in Batman: The Gotham Vigilante

Gemma Chan

as Lady Shiva in Batman: The Gotham Vigilante

Jensen Ackles

as Batman in Batman: The Gotham Vigilante

Damien Leone

as Director in Batman: The Gotham Vigilante

Greg Berlanti

as Producer in Batman: The Gotham Vigilante

Vincent D'Onofrio

as Kingpin (Cameo) in Insomniac Survivor

Aaron Paul

as Josh Bell in Insomniac Survivor

Aaron Paul

as Josh Bell in Insomniac Survivor

Ben Forster

as Electro (Cameo) in Insomniac Survivor

Katherine McNamara

as M.J. Watson in Insomniac Survivor