Altri personaggi
- Shaggy Rogers
Will Forteinglese - Blue Falcon
Mark Wahlberginglese - Dick Dastardly
Jason Isaacsinglese - Velma Dinkley
Gina Rodriguezinglese - Fred Jones
Zac Efroninglese - Daphne Blake
Amanda Seyfriedinglese - Dee Dee Skyes
Kiersey Clemonsinglese - Dynomutt
Ken Jeonginglese - Captain Caveman
Tracy Morganinglese - Scooby-Doo / Pterodactyl
Frank Welkeringlese - Young Shaggy
Iain Armitageinglese - Young Daphne
Mckenna Graceinglese - Young Fred
Pierce Gagnoninglese - Young Velma
Ariana Greenblattinglese - Simon Cowell
Simon Cowellinglese - Officer Jaffe
Christina Hendricksinglese - Keith
Henry Winkleringlese - Harry Perry
Harry Perryinglese - Restaurant Owner
John DiMaggioinglese - Bike Cop Gary
Kevin Heffernaninglese - Ira Glass
Ira Glassinglese - Chad / Chet
Henry Kaufmaninglese - Judy Takamoto
Maya Erskineinglese - Muttley
Billy Westinglese - Muttley (archive sound)
Don Messickinglese - Cerberus
Fred Tatascioreinglese - Jamie Rivera
Justina Machadoinglese - Indira KnightKennedy Peilinglese
- Hal MurphyJohn McDanielinglese
- Beach GuyRyan Folseyinglese
- Mrs. RogersPam Coatsinglese
- Ghost / Mr. Rigby / Alice
Tony Cervoneinglese - Officer CaseyAdam Sztykielinglese
- Officer NorthAlex Kauffmaninglese
- Baby RottenVanara Tainginglese
- Dispatcher StevensSarah Lanciainglese
- KariMaven Morganinglese
- BenEric Cowellinglese
- Samuel ColtonMichael Kurinskyinglese