Suggestions by @user_373223

Alan Tudyk

as Scrappy in Scoob! Twilight Frights

Score: +1

Nathan Fillion

as Johnny Bravo in Scoob! Twilight Frights

Score: +1

Neil Fanning

as Scooby Doo in Scoob! Twilight Frights

Score: +1

Frank Welker

as Cameo / Creatures in Scoob! Twilight Frights

Score: +1

Emma Stone

as Velma in Scoob! Twilight Frights

Score: +1

Grey DeLisle

as Daphne in Scoob! Twilight Frights

Score: +1

Guillermo del Toro

as Director in Scoob! Twilight Frights

Score: +1

Matthew Fogel

as Writer in Scoob! Twilight Frights

Score: +1

Matthew Lillard

as Shaggy in Scoob! Twilight Frights

Score: +1

Roger Craig Smith

as Fred Jones in Scoob! Twilight Frights

Score: +1

Johnny Depp

as Sheriff Bronson Stone in Scoob! Twilight Frights

Score: +1

James Gunn

as Producer in Scoob! Twilight Frights

Score: +1