Plot
In Scooby-Doo’s greatest adventure yet, see the never-before told story of how lifelong friends Scooby and Shaggy first met and how they joined forces with young detectives Fred, Velma, and Daphne to form the famous Mystery Inc. Now, with hundreds of cases solved, Scooby and the gang face their biggest, toughest mystery ever: an evil plot to unleash the ghost dog Cerberus upon the world. As they race to stop this global “dogpocalypse,” the gang discovers that Scooby has a secret legacy and an epic destiny greater than anyone ever imagined.
Trailer
Cast
Will Forte
Shaggy Rogers (voice)
Mark Wahlberg
Blue Falcon (voice)
Jason Isaacs
Dick Dastardly (voice)
Gina Rodriguez
Velma Dinkley (voice)
Zac Efron
Fred Jones (voice)
Amanda Seyfried
Daphne Blake (voice)
Kiersey Clemons
Dee Dee Skyes (voice)
Ken Jeong
Dynomutt (voice)
Tracy Morgan
Captain Caveman (voice)
Frank Welker
Scooby-Doo / Pterodactyl (voice)
Iain Armitage
Young Shaggy (voice)
Mckenna Grace
Young Daphne (voice)
Pierce Gagnon
Young Fred (voice)
Ariana Greenblatt
Young Velma (voice)
Simon Cowell
Simon Cowell (voice)
Christina Hendricks
Officer Jaffe (voice)
Henry Winkler
Keith (voice)
Harry Perry
Harry Perry (voice)
John DiMaggio
Restaurant Owner (voice)
Kevin Heffernan
Bike Cop Gary (voice)
Ira Glass
Ira Glass (voice)
Henry Kaufman
Chad / Chet (voice)
Maya Erskine
Judy Takamoto (voice)
Billy West
Muttley (voice)
Don Messick
Muttley (archive sound) (voice)
Fred Tatasciore
Cerberus (voice)
Justina Machado
Jamie Rivera (voice)
Kennedy Peil
Indira Knight (voice)
John McDaniel
Hal Murphy (voice)
Ryan Folsey
Beach Guy (voice)
Pam Coats
Mrs. Rogers (voice)
Tony Cervone
Ghost / Mr. Rigby / Alice (voice)
Adam Sztykiel
Officer Casey (voice)
Alex Kauffman
Officer North (voice)
Vanara Taing
Baby Rotten (voice)
Sarah Lancia
Dispatcher Stevens (voice)
Maven Morgan
Kari (voice)
Eric Cowell
Ben (voice)
Michael Kurinsky
Samuel Colton (voice)
