Suggestions by @milesyeargain

Sandra Bullock

as Wonder Woman in Shazam (2006)

James Garner

as The Wizard in Shazam (2006)

Jessica Alba

as Mary Shazam in Shazam (2006)

The Rock (WWE)

as Captain Marvel in Shazam (2006)

Devon Bostick

as 14 year old Billy Batson in Shazam (2006)

Daniel Craig

as Captain Boomerang in The Flash 2 (2006)

Aaron Eckhart

as Reverse Flash in The Flash 2 (2006)

Zoe Saldaña

as Iris West-Allen in The Flash 2 (2006)

LeonardoDiCaprio

as The Flash in The Flash 2 (2006)

Don Johnson

as Commissioner James Gordon in Nightwing (2005)

Stephen Lang

as Deathstroke in Nightwing (2005)

James Caan

as Tony Zucco in Nightwing (2005)

Keanu Reeves

as Batman in Nightwing (2005)

Sarah Michelle Gellar

as Batgirl in Nightwing (2005)

Freddie Prinze Jr.

as Nightwing in Nightwing (2005)

Bruce Willis

as Lex Luthor in Steel (2005)

Hilary Swank

as Susan Sparks in Steel (2005)

Brendan Fraser

as Superman in Steel (2005)

Frank Welker

as Doomsday in Steel (2005)

Geena Davis

as Cheetah in Justice League 2 (2004)