Suggestions by @mike1seravello

The Incredible Mr. Limpet (Cancelled Remake)

as Jim Carrey in Roles That Actors / Actresses Were ALMOST Casted

Superman Lives

as Michael Keaton in Roles That Actors / Actresses Were ALMOST Casted

Splash

as Christopher Reeve in Roles That Actors / Actresses Were ALMOST Casted

Batman (1989 film)

as Christopher Reeve in Roles That Actors / Actresses Were ALMOST Casted

Dick Grayson

as Kiefer Sutherland in Roles That Actors / Actresses Were ALMOST Casted

Buck Cluck

as Martin Sheen in Roles That Actors / Actresses Were ALMOST Casted

Two-Face (Harvey Dent)

as Martin Sheen in Roles That Actors / Actresses Were ALMOST Casted

Atlantis: The Lost Empire (2001 Film)

as Tim Curry in Roles That Actors / Actresses Were ALMOST Casted

Zaphod Beeblebrox

as Tim Curry in Roles That Actors / Actresses Were ALMOST Casted

Ford Prefect

as Tim Curry in Roles That Actors / Actresses Were ALMOST Casted

Blankman

as James Woods in Roles That Actors / Actresses Were ALMOST Casted

The Master

as James Woods in Roles That Actors / Actresses Were ALMOST Casted

Mr Church (Expendables)

as James Woods in Roles That Actors / Actresses Were ALMOST Casted

JFK

as James Woods in Roles That Actors / Actresses Were ALMOST Casted

Freddy/Mr. Orange

as James Woods in Roles That Actors / Actresses Were ALMOST Casted

Onibaba

as Willem Dafoe in Roles That Actors / Actresses Were ALMOST Casted

Treasure Planet II

as Willem Dafoe in Roles That Actors / Actresses Were ALMOST Casted

Frank Booth

as Willem Dafoe in Roles That Actors / Actresses Were ALMOST Casted

Atomic Blonde

as David Bowie in Roles That Actors / Actresses Were ALMOST Casted

Flight of the Conchords

as David Bowie in Roles That Actors / Actresses Were ALMOST Casted