Scoob!

Will Forte

as

Shaggy Rogers ...

Frank Welker

as

Scooby-Doo / P...

Mark Wahlberg

as

Blue Falcon (v...

Jason Isaacs

as

Dick Dastardly...

Ken Jeong

as

Dynomutt, Dog ...

Amanda Seyfried

as

Daphne Blake (...

Gina Rodriguez

as

Velma Dinkley ...

Zac Efron

as

Fred Jones (vo...

Iain Armitage

as

Young Shaggy (...

Ariana Greenbl...

as

Young Velma (v...

Mckenna Grace

as

Young Daphne (...

Pierce Gagnon

as

Young Fred (vo...

Kiersey Clemons

as

Dee Dee Skyes ...

Tracy Morgan

as

Captain Cavema...

Simon Cowell

as

Simon Cowell (...

Harry Perry

as

Harry Perry (v...

Kevin Heffernan

as

Bike Cop Gary ...

Christina Hend...

as

Officer Jaffe ...

Henry Winkler

as

Keith (voice)

John DiMaggio

as

Restaurant Own...

Ira Glass

as

Ira Glass (voi...

Henry Kaufman

as

Chad / Chet (v...

Maya Erskine

as

Judy Takamoto ...

Billy West

as

Muttley (voice)

Don Messick

as

Muttley (archi...

Fred Tatasciore

as

Cerberus (voic...

Kennedy Peil

as

Indira Knight ...

John McDaniel

as

Hal Murphy (vo...

Ryan Folsey

as

Beach Guy (voi...

Justina Machado

as

Jamie Rivera (...

Pam Coats

as

Mrs. Rogers (v...

Tony Cervone

as

Ghost / Mr. Ri...

Alex Kauffman

as

Officer North ...

Vanara Taing

as

Baby Rotten (v...

Sarah Lancia

as

Dispatcher Ste...

Eric Cowell

as

Ben (voice)

Maven Morgan

as

Kari (voice)

Adam Sztykiel

as

Officer Casey ...

Michael Kurins...

as

Samuel Colton ...