Suggestions by @luisnane

Jing Tian

as RED ARROW in GREEN ARROW FANCAST

John Boyega

as BATWING in BATMAN FANCAST

Odeya Rush

as SPEEDY in GREEN ARROW FANCAST

Katherine McNamara

as ARROWETTE in GREEN ARROW FANCAST

Courtney B. Vance

as LUCIUS FOX in BATMAN FANCAST

Odeya Rush

as ARROWETTE in GREEN ARROW FANCAST

Chloë Grace Moretz

as SPOILER in BATMAN FANCAST

Emma Watson

as BATGIRL in BATMAN FANCAST

Tom Cruise

as TALON in BATMAN FANCAST

Neil Patrick Harris

as RIDDLER in BATMAN FANCAST

Johnny Depp

as JOKER in BATMAN FANCAST

Pablo Schreiber

as BANE in BATMAN FANCAST

Mike Colter

as BRONZE TIGER in GREEN ARROW FANCAST

Christian Bale

as EDDIE FRYERS in GREEN ARROW FANCAST

Tom Holland

as ROBIN in BATMAN FANCAST

Tommy Bastow

as REDHOOD in BATMAN FANCAST

Chris Pratt

as SPORTSMASTER in GREEN ARROW FANCAST

Katherine McNamara

as SPEEDY in GREEN ARROW FANCAST

Aaron Taylor-Johnson

as NIGHTWING in BATMAN FANCAST

Morena Baccarin

as CATWOMAN in BATMAN FANCAST