Suggestions by @wally

Odeya Rush

as Raven in DC Comics Universe

Blake Michael

as Nightwing in DC Comics Universe

Tanner Buchanan

as Red Hood in DC Comics Universe

Bryan Cranston

as Commissioner Jim Gordon in DC Comics Universe

Jacob Tremblay

as Beast Boy in DC Comics Universe

Jamie Campbell Bower

as Scarecrow in DC Comics Universe

Jace Norman

as Gotham in James Gunn's DC Cinematic Universe

Caylee Cowan

as Gotham Girl in James Gunn's DC Cinematic Universe

Richard Cabral

as Godspeed in James Gunn's DC Cinematic Universe

Alyvia Alyn Lind

as Flatline in James Gunn's DC Cinematic Universe

Sonequa Martin-Green

as Vixen in James Gunn's DC Cinematic Universe

Keiynan Lonsdale

as Aqualad II in James Gunn's DC Cinematic Universe

Dallas Dupree Young

as Jakeem Thunder in James Gunn's DC Cinematic Universe

Kevin McKidd

as Count Vertigo in James Gunn's DC Cinematic Universe

Aidan Gillen

as Ares in James Gunn's DC Cinematic Universe

Lilimar

as Aquagirl in James Gunn's DC Cinematic Universe

Timothy Olyphant

as Maxwell Lord in James Gunn's DC Cinematic Universe

Simon Helberg

as Metron in James Gunn's DC Cinematic Universe

Millie Davis

as Kid Quantum in James Gunn's DC Cinematic Universe

Ava Morse

as Wonder Girl II in James Gunn's DC Cinematic Universe