Suggestions by @braydenlockhart

Donna Murphy

as Donna Murphy in A Dinosaur Story (1993)

Beautifly

as Gypsy in The Similar Looking Characters Circus (spoof to A Bug's Life)

Peter Jackson

as Directed by in A Dinosaur Story (1993)

Anthony Edwards

as Apatosaurus Brothers in A Dinosaur Story (1993)

Julia Louis-Dreyfus

as Parasaulorophus in A Dinosaur Story (1993)

Jason Alexander

as Stegosaurus in A Dinosaur Story (1993)

Ed O'Neill

as Stegosaurus Brother/Mutant in A Dinosaur Story (1993)

David Schwimmer

as Striped Saltasaurus in A Dinosaur Story (1993)

Ben Stiller

as Green Ultrasaurus in A Dinosaur Story (1993)

Joel McHale

as Red Ceratosaurus in A Dinosaur Story (1993)

Billy Crystal

as Diplocaulus in A Dinosaur Story (1993)

John Ratzenberger

as Dimetrodon in A Dinosaur Story (1993)

Arnold Schwarzenegger

as Red Ultrasaurus in A Dinosaur Story (1993)

Jonathan Taylor Thomas

as Baby Allosaurus in A Dinosaur Story (1993)

Mark Hamill

as Dilophosaurus in A Dinosaur Story (1993)

Jean Reno

as Allosaurus in A Dinosaur Story (1993)

Brad Garrett

as Carcharodontosaurus in A Dinosaur Story (1993)

Dave Foley

as Noasaurus in A Dinosaur Story (1993)

Stephen Root

as Floppy Saltasaurus in A Dinosaur Story (1993)

Jack Black

as Green Ceratosaurus in A Dinosaur Story (1993)