Suggestions by @braydenlockhart

Tom Kenny

as SpongeBob in A Sponge's Life (fan made parody to A Bug's Life)

Bill Hader

as Pteranodon in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Chris Rock

as Apatosaurus Twins in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

David Schwimmer

as Stripe Saltasaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Wayne Knight

as Stegosaurus's brother in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Hayden Rolence

as Carcharodontosaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Iain Armitage

as Allosaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Ryan Buggle

as Diplocaulus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Ray Romano

as Dimetrodon in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

John Leguizamo

as Red Ceratosaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Cedric the Entertainer

as Massive Ultrasaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Brad Garrett

as Green Ultrasaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Stephen Root

as Floppy Headed Saltasaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Jean Reno

as French Chef in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Chris Pratt

as Stegosaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Jack Black

as Green Ceratosaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Mark Hamill

as Dilophosaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)

Tom Holland

as Noasaurus in A Dinosaur Story by HoopsandDinoman (Fan-Cast)