Janel Parrish

Self - the Host

Frank Welker

Self - Voice of Fred Jones and Scooby Doo

Grey Griffin

Self - Voice of Daphne

Matthew Lillard

Self - Voice of Shaggy

Kate Micucci

Self - Voice of Velma

Karamo Brown

Costume Designer Carter

Brendan Jennings

Arlo Davidsonman, Team Scooby

Vadym Krasnenko

Snow Ghost

Olivia Liang

Shaggy's Martial Arts Trainer

Mary Lynn Rajskub

Producer Brynn

Baron Vaughn

Bram Penobscot, Scooby's Vocal Coach

Lindsey Alena

Additional Voices

Diedrich Bader

Batman

Fred Tatasciore

Snow Ghost

Dominic Catrambone

Additional Voices

Cheri Oteri

Lazlo the Mechanic

Jerry Beck

Self - Animation Historian and Author

Seth Green

Self - Actor, Scooby-Doo 2: Monsters Unleashed