Suggestions by @hauntingmelody701

Troy Baker

as Andrew Rogers in Scooby Doo

Score: +1

Alyson Kiperman

as Margaret Jones in Scooby Doo

Score: +1

Christian Bale

as Andrew Rogers in Scooby Doo

Score: -1

Charlize Theron

as Jean Rogers in Scooby Doo

Score: -1

Ella-Rae Smith

as The Weeping Bride in Scooby Doo

Score: +1

Helena Bonham Carter

as Agatha Cutler in Scooby Doo

Score: 0

Kane Hodder

as Allen Cutler in Scooby Doo

Score: +3

Tony Todd

as Jameson Hyde-White in Scooby Doo

Score: +1

Robert Englund

as Museum Worker #1 in Scooby Doo

Score: +1

Brad Dourif

as Charles Hall in Scooby Doo

Score: +1

Colin Ford

as Pioneer's Ghost in Scooby Doo

Score: +1

Isabella Acres

as Leota Barnes in Scooby Doo

Score: +1

Lily-Rose Depp

as Pioneer's Wife Ghost in Scooby Doo

Score: +1

Valentina Gordon

as Megan Rogers in Scooby Doo

Score: +1

Myles Clohessy

as Matthew Rogers in Scooby Doo

Score: +1

Danny Elfman

as Composer in Scooby Doo

Score: +1

Thomas Kuc

as Frederick Jones in Scooby Doo

Score: +1

Nadia Turner

as Daphne Blake in Scooby Doo

Score: -1

Nell Tiger Free

as Georgia Wilson in Scooby Doo

Score: +2

Sebastian Croft

as Norville Rogers in Scooby Doo

Score: +1