Suggestions by @mike1seravello

Deacon (Waterworld)

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Hannibal Lecter

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Franklin D. Roosevelt

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Ordinary People

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Randle McMurphy

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Network (film)

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Misery

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

JFK

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Jaws (1975 Film)

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Jackie Brown

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Ironweed

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

The Graduate (1967)

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

The Fugitive

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

Close Encounters of the Third Kind

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

All That Jazz

as Gene Hackman in Roles That Actors / Actresses Were ALMOST Casted

The Parent Trap (1998)

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

The Baker

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

Lex Luthor (Superman Returns)

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

Phone Booth (2002 Film)

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

Legend (1985 film)

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