Suggestions by @austindickey

Meghan Ory

as Thorn in Scooby Doo and The Witch's Ghost

Score: +1

Stanley Tucci

as Mayor Corey in Scooby Doo and The Witch's Ghost

Score: +1

Robert Downey Jr.

as Ben Ravencroft in Scooby Doo and The Witch's Ghost

Score: +1

Neil Fanning

as Scooby Doo in Scooby Doo and The Witch's Ghost

Score: +1

Matthew Lillard

as Shaggy Rogers in Scooby Doo and The Witch's Ghost

Score: +1

Linda Cardellini

as Velma Dinkley in Scooby Doo and The Witch's Ghost

Score: +1

Sarah Michelle Gellar

as Daphne Blake in Scooby Doo and The Witch's Ghost

Score: +1

Freddie Prinze Jr.

as Fred Jones in Scooby Doo and The Witch's Ghost

Score: +1

Aisha Tyler

as Chris in Scooby Doo on Zombie Island

Score: +1

Michael Rooker

as Snakebite Scruggs in Scooby Doo on Zombie Island

Score: +1

Richard Riehle

as Jacques in Scooby Doo on Zombie Island

Score: +1

Carla Gugino

as Lena Dupree in Scooby Doo on Zombie Island

Score: +1

Nicole Kidman

as Simone Lenoir in Scooby Doo on Zombie Island

Score: +1

Josh Duhamel

as Beau Neville in Scooby Doo on Zombie Island

Score: +1

Neil Fanning

as Scooby Doo in Scooby Doo on Zombie Island

Score: +1

Matthew Lillard

as Shaggy Rogers in Scooby Doo on Zombie Island

Score: +1

Linda Cardellini

as Velma Dinkley in Scooby Doo on Zombie Island

Score: +1

Sarah Michelle Gellar

as Daphne Blake in Scooby Doo on Zombie Island

Score: +1

Freddie Prinze Jr.

as Fred Jones in Scooby Doo on Zombie Island

Score: +1

Ian McShane

as Morgan Moonscar in Scooby Doo on Zombie Island

Score: +1