Suggestions by @devlinclements

Celia Mae

as Courteney Cox in Roles That Actors / Actresses Were ALMOST Casted

Randall Boggs

as Dennis Leary in Roles That Actors / Actresses Were ALMOST Casted

Mike Wazowski

as Jason Alexander in Roles That Actors / Actresses Were ALMOST Casted

Bruton (Dinosaur)

as Dean Cain in Roles That Actors / Actresses Were ALMOST Casted

Zini (Dinosaur)

as Eddie Deezen in Roles That Actors / Actresses Were ALMOST Casted

Yar (Dinosaur)

as Leonard Nimoy in Roles That Actors / Actresses Were ALMOST Casted

Chip (Antz)

as Alan Rickman in Roles That Actors / Actresses Were ALMOST Casted

Azteca (ANTZ)

as Demi Moore in Roles That Actors / Actresses Were ALMOST Casted

Colonel Cutter

as R. Lee Ermey in Roles That Actors / Actresses Were ALMOST Casted

Weaver (ANTZ)

as Patrick Warburton in Roles That Actors / Actresses Were ALMOST Casted

Princess Bala

as Lisa Kudrow in Roles That Actors / Actresses Were ALMOST Casted

Z (Antz)

as Dustin Hoffman in Roles That Actors / Actresses Were ALMOST Casted

Chief Tannabok

as Ricardo Montalban in Roles That Actors / Actresses Were ALMOST Casted

Tzekel-Kan

as Antonio Banderas in Roles That Actors / Actresses Were ALMOST Casted

Chel (The Road to El Dorado)

as Jennifer Lopez in Roles That Actors / Actresses Were ALMOST Casted

Tulio

as Kelsey Grammer in Roles That Actors / Actresses Were ALMOST Casted

Vixey (The Fox and The Hound)

as Catherine O'Hara in Roles That Actors / Actresses Were ALMOST Casted

Widow Tweed

as Janet Waldo in Roles That Actors / Actresses Were ALMOST Casted

Tod (The Fox and The Hound)

as John Goodman in Roles That Actors / Actresses Were ALMOST Casted

Horned King

as Bob Hoskins in Roles That Actors / Actresses Were ALMOST Casted