Frank Welker

Fred Jones / Scooby-Doo (voice)

Casey Kasem

Shaggy Rogers (voice)

Mindy Cohn

Velma Dinkley (voice)

Grey DeLisle

Daphne Blake (voice)

James Arnold Taylor

Burr Batson / Champ Truman (voice),Dr. Laslow Ostwald / Tad (voice),Owen DeCassle / Steve Fortescu (voice),.....

Dee Bradley Baker

Fish Fiend (voice),Snow Creature (voice),Mike (voice),.....

Jeff Bennett

General Niedermeyer / Mr. B / MP Guard #1 (voice),Charles 'Crunchy' Granville / Fritz / Mr. Keenan (voice),Earnest Bailey / Burglar #1 / Worker #1 (voice),.....

Jennifer Hale

Thorn (voice),Honey Hunsecker / Dr. Joan Goodfew (voice),Leora Lasswell (voice),.....

John DiMaggio

Mike Fury (voice),Malachi Crunch / Titanic Twist (voice),Sanfran Psycho (voice),.....

Tom Kenny

Sam / Harry Harrison (voice),Band Member / Curtis / Fair Headed Boy (voice),Clown / Haunted House / Cougar Forest (voice),.....