Frank Welker
Fred Jones / Scooby-Doo (voice) (52 eps)
Matthew Lillard
Shaggy Rogers (voice) (52 eps)
Grey DeLisle
Daphne Blake (voice) (52 eps)
Kate Micucci
Velma Dinkley (voice) (52 eps)
Mark Hamill
Mark Hamill (voice) (3 eps)
Billy West
Mr. Peebles (voice) (2 eps)
Phil LaMarr
Caddy / Golf Announcer (voice) (2 eps)
John DiMaggio
Talent Agent / Crazy Karl / Baz Bozzington (voice) (2 eps)
Wanda Sykes
Wanda Sykes (voice) (1 eps)
Ian James Corlett
Sherlock Holmes (voice) (1 eps)
Ricky Gervais
Ricky Gervais (voice) (1 eps)
Rachel Kimsey
Wonder Woman (voice) (1 eps)
Penn Jillette
Penn Jillette (voice) (1 eps)
Teller
Teller (voice) (1 eps)
Jaleel White
Steve Urkel / Urkel-Bot (voice) (1 eps)
Jim Gaffigan
Jim Gaffigan (voice) (1 eps)
'Weird Al' Yankovic
'Weird Al' Yankovic (voice) (1 eps)
Sia
Sia (voice) (1 eps)
Kenan Thompson
Kenan Thompson (voice) (1 eps)
Kevin Conroy
Batman (voice) (1 eps)
Steven Weber
Alfred Pennyworth (voice) (1 eps)
Whoopi Goldberg
Whoopi Goldberg (voice) (1 eps)
Charlie Schlatter
The Flash (voice) (1 eps)
George Takei
George Takei (voice) (1 eps)
Halsey
Halsey (voice) (1 eps)
Steve Buscemi
Steve Buscemi (voice) (1 eps)
Jeff Dunham
Jeff Dunham / Walter (voice) (1 eps)
Darci Lynne Farmer
Darci Lynne Farmer / Petunia (voice) (1 eps)
Maddie Ziegler
Maddie Ziegler (voice) (1 eps)
Jeff Foxworthy
Jeff Foxworthy (voice) (1 eps)
Malcolm McDowell
Malcolm McDowell (voice) (1 eps)
Jennifer Hale
Thorn (voice) (1 eps)
Jane Wiedlin
Dusk (voice) (1 eps)
Kimberly Brooks
Luna (voice) (1 eps)
Christian Slater
Christian Slater (voice) (1 eps)
Kacey Musgraves
Kacey Musgraves (voice) (1 eps)
Morgan Freeman
Morgan Freeman (voice) (1 eps)
Kristen Schaal
Kristen Schaal (voice) (1 eps)
Joey Chestnut
Joey Chestnut (voice) (1 eps)
Gigi Hadid
Gigi Hadid (voice) (1 eps)
Alton Brown
Alton Brown (voice) (1 eps)
Tim Gunn
Tim Gunn (voice) (1 eps)
Tara Lipinski
Tara Lipinski (voice) (1 eps)
Chloe Kim
Chloe Kim (voice) (1 eps)
Laila Ali
Laila Ali (voice) (1 eps)
Liza Koshy
Liza Koshy (voice) (1 eps)
Macklemore
Macklemore (voice) (1 eps)
Sandy Duncan
Sandy Duncan (voice) (1 eps)
Alex Trebek
Alex Trebek (voice) (1 eps)
Axl Rose
Axl Rose (voice) (1 eps)
Jason Sudeikis
Jason Sudeikis (voice) (1 eps)
Lucy Liu
Lucy Liu (voice) (1 eps)
Sean Astin
Sean Astin (voice) (1 eps)
Cher
Cher (voice) (1 eps)
Jessica Biel
Jessica Biel (voice) (1 eps)
Joseph Simmons
Reverend Run (voice) (1 eps)
Billy Dee Williams
Billy Dee Williams (voice) (1 eps)
Terry Bradshaw
Terry Bradshaw (voice) (1 eps)
Carol Burnett
Carol Burnett (voice) (1 eps)
Johnny Gilbert
Announcer (voice) (1 eps)
Bill Nye
Bill Nye (voice) (1 eps)
Neil deGrasse Tyson
Neil deGrasse Tyson (voice) (1 eps)
Tom Kenny
Augie Anderson / 'Mudsy' Muddlemore / Sergeant Ghost (voice) (1 eps)
Dee Bradley Baker
Jacques-Pierre / Pierre-Jacques / Monster (voice) (1 eps)
Chris Paul
Chris Paul (voice) (1 eps)
