Suggestions by @braydenlockhart

Rex (Toy Story)

as Purple Striped Saltasaurus in A Dinosaur Story

King Fergus

as King Terry in A Dinosaur Story

Tow Mater (Cars)

as Albertosaurus in A Dinosaur Story

Gill (Finding Nemo)

as Dilophosaurus in A Dinosaur Story

Bloat (Finding Nemo)

as Matt the Muttaburrasaurus in A Dinosaur Story

Randall Boggs

as King Menace in A Dinosaur Story

Henry J. Waternoose III

as Giganotosaurus in A Dinosaur Story

Barley Lightfoot

as Stegosaurus in A Dinosaur Story

Ian Lightfoot

as Stegosaurus's Brother in A Dinosaur Story

Mr. and Mrs. Potato Head

as Red Ceratosaurus in A Dinosaur Story

Chum (Finding Nemo)

as Iggy and Donnie in A Dinosaur Story

Anchor (Finding Nemo)

as Iggy and Donnie in A Dinosaur Story

Hopper(a bug's life)

as Black Rat in A Dinosaur Story

Elastigirl (Helen Parr)

as Styrackosaurus in A Dinosaur Story

Crush

as Miasauria in A Dinosaur Story

Mr. Incredible (Bob Parr)

as Triceratops in A Dinosaur Story

Dot (A Bug's Life)

as Parry in A Dinosaur Story

Princess Atta

as Paris in A Dinosaur Story

Remy (Ratatouille)

as French Chef Allosaurus in A Dinosaur Story

Dim (A Bug's Life)

as Carcharodontosaurus in A Dinosaur Story