Fred Jones (Scooby-Doo) performer Freddie Prinze Jr.
Performers
Frank Welker (1969–present)
Norma MacMillan (Kenner Talking Show Projector record)
Keith Scott (Pauls commercial)
Carl Steven (A Pup Named Scooby-Doo)
Jerry Richardson (Scooby-Doo! in Stagefright - Live on Stage)
Freddie Prinze Jr. (Scooby-Doo, Scooby-Doo 2: Monsters Unleashed (live-action), Robot Chicken (voice))
Ryan Vrba (Young Fred in Scooby-Doo 2: Monsters Unleashed)
Chris Cox (Scooby-Doo 2: Monsters Unleashed: The Video Game)
Jamie Wilson (Scooby-Doo! and the Pirate Ghost - Live on Stage)
Robbie Amell (Scooby-Doo! The Mystery Begins, Scooby-Doo! Curse of the Lake Monster)
Kevin Shinick (Mad)
Jim Wise (Scooby-Doo! Music of the Vampire (singing voice))
Noah Michael Fish (Scooby-Doo Live! Musical Mysteries (2013))
Josh Little (Scooby-Doo Live! The Mystery Of The Pyramid)
Chris Warner Drake (Scooby-Doo Live! Musical Mysteries (2016))
Scott Innes (McDonald's commercial, Scooby-Doo! Playmobil Mini Mysteries)
Brett Dalton (Robot Chicken)
Zac Efron (Scoob!)
Pierce Gagnon (Scoob!, Scoob!: Holiday Haunt (both as a child))
Matthieu Levesque (2020; Scooby-Doo! and the Lost City of Gold)
Connor Briggs (2022; Scooby-Doo! and the Lost City of Gold)
Glenn Howerton (Velma)