Suggestions by @devlinclements

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

Eilonwy

as Helena Bonham Carter in Roles That Actors / Actresses Were ALMOST Casted

Taran (Disney)

as Hugh Laurie in Roles That Actors / Actresses Were ALMOST Casted

Orville

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

Madame Medusa

as Lauren Bacall in Roles That Actors / Actresses Were ALMOST Casted

Snipes

as Richard Kind in Roles That Actors / Actresses Were ALMOST Casted

The Grand Duke of Owls

as Alec Guinness in Roles That Actors / Actresses Were ALMOST Casted

Sir Grimsby

as Jonathan Harris in Roles That Actors / Actresses Were ALMOST Casted

King Triton

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

Sebastian The Crab (Samuel E Wright)

as Reginald VelJohnson in Roles That Actors / Actresses Were ALMOST Casted

Prince Eric

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

Flounder (The Little Mermaid)

as Macaulay Culkin in Roles That Actors / Actresses Were ALMOST Casted

Dr. David Q. Dawson

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