Suggestions by @devlinclements

Zeebad/Zebadie

as Anthony Hopkins in Roles That Actors / Actresses Were ALMOST Casted

Dylan the Rabbit

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

Brian the Snail

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

Ermintrude/Azalee

as Tracey Ullman in Roles That Actors / Actresses Were ALMOST Casted

Dougal

as Ewan McGregor in Roles That Actors / Actresses Were ALMOST Casted

Nicky Flippers

as Rupert Everett in Roles That Actors / Actresses Were ALMOST Casted

Boingo

as Paul Giamatti in Roles That Actors / Actresses Were ALMOST Casted

Kirk the Woodsman

as Dan Aykroyd in Roles That Actors / Actresses Were ALMOST Casted

Big Bad Wolf (Hoodwinked)

as Henry Winkler in Roles That Actors / Actresses Were ALMOST Casted

The Beast (Prince Adam)

as Alfred Molina in Roles That Actors / Actresses Were ALMOST Casted

Jinx (The Garfield Movie)

as Thandiwe Newton in Roles That Actors / Actresses Were ALMOST Casted

Vic (The Garfield Movie)

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

Melvin Sneedly

as Aaron Paul in Roles That Actors / Actresses Were ALMOST Casted

Professor Pee-Pee Diarrheastein Poopypants Esq. (Tippy Tinkletrousers)

as Will Forte in Roles That Actors / Actresses Were ALMOST Casted

Harold Hutchins

as Chris Evans in Roles That Actors / Actresses Were ALMOST Casted

Vorb (We're Back!)

as Adam West in Roles That Actors / Actresses Were ALMOST Casted

Professor Screweyes

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

Rex (We're Back)

as Bill Murray in Roles That Actors / Actresses Were ALMOST Casted

Thunderbolt (The Wild Robot)

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

Vontra (The Wild Robot)

as Gal Gadot in Roles That Actors / Actresses Were ALMOST Casted