Suggestions by @bumbleprime

Patrick Stewart

as Manny in A Bug's Life

Karen Gillan

as Gypsy Moth in A Bug's Life

Paul Bettany

as Slim in A Bug's Life

Antonio Banderas

as Hopper in A Bug's Life

Amy Poehler

as Sidney in Ice Age (Genderswap)

Anne Hathaway

as Manfred in Ice Age (Genderswap)

Naomi Watts

as Manfred in Ice Age (Genderswap)

Tina Fey

as Sidney in Ice Age (Genderswap)

Jason Momoa

as Bulkhead in The Transformers

John Cena

as Bulkhead in The Transformers

Dwayne Johnson

as Bulkhead in The Transformers

Zendaya

as Brooke in Ice Age (Alternative Cast)

John C. Reilly

as Mirage in The Transformers

Salma Hayek

as Moonracer in The Transformers

Andy Serkis

as Swindle in The Transformers

Matt Damon

as Barricade in The Transformers

David Hyde Pierce

as Ratchet in The Transformers

Tom Holland

as Bumblebee in Transformers: Battle of Cybertron

Seth Rogen

as Manny in Ice Age (Alternative Cast)

Emma Watson

as Kate Mary in Transformers: Human Alliance