Suggestions by @nicklewandowski
1,897 suggestions

Carole Lombard
as Breathless Mahoney in Dick Tracy (1930's casting call)

Edward G. Robinson
as Big Boy Caprice in Dick Tracy (1930's casting call)

James Cagney
as Flat Top in Dick Tracy (1930's casting call)

Mickey Rooney
as The Kid in Dick Tracy (1930's casting call)

Katharine Hepburn
as Tess in Dick Tracy (1930's casting call)

Spencer Tracy
as Dick Tracy in Dick Tracy (1930's casting call)

Rene Russo
as Chase Meridian in Tim Burton's Batman continues...

Warren Beatty
as Superman (1970's) in Superman : Actor's who should have or could play the last son of Krypton

Terence Hill
as Captain America (1970's) in Captain America : Actor's who could have or should have played the first Avenger

Burt Lancaster
as Captain America (1950's) in Captain America : Actor's who could have or should have played the first Avenger

Peter O'Toole
as Joker (1970's) in The Joker : Actor's who should have or could play the clown prince of crime

Peter O'Toole
as Joker (1960's) in The Joker : Actor's who should have or could play the clown prince of crime

Michael Buffer
as Ring announcer in James Cameron's SPIDER-MAN

Hulk Hogan
as Crusher Hogan in James Cameron's SPIDER-MAN

Ray Liotta
as The Sandman in James Cameron's SPIDER-MAN

Reese Witherspoon
as Gwen Stacey in James Cameron's SPIDER-MAN

Jeffrey Combs
as Prof. Curt Conners in James Cameron's SPIDER-MAN

Ben Affleck
as Flash Thompson in James Cameron's SPIDER-MAN

Oliver Reed
as Abraham Van Helsing in Bram Stoker's DRACULA (1991 Alternate Cast)

Nicole Kidman
as Lucy in Bram Stoker's DRACULA (1991 Alternate Cast)