Scooby-Doo and Guess Who? Full Cast & Crew

as Fred Jones / Scooby-Doo (voice)

as Shaggy Rogers (voice)

as Daphne Blake (voice)

as Velma Dinkley (voice)

as Wanda Sykes (voice)

as Mr. Peebles (voice)

as Sherlock Holmes (voice)

as Ricky Gervais (voice)

as Wonder Woman (voice)

as Penn Jillette (voice)

as Teller (voice)

as Madds Markson (voice)

as Steve Urkel / Urkel-Bot (voice)

as Jim Gaffigan (voice)

as 'Weird Al' Yankovic (voice)

as Sia (voice)

as Kenan Thompson (voice)

as Batman (voice)

as Alfred Pennyworth (voice)

as Joker (voice)

as Whoopi Goldberg (voice)

as Mark Hamill (voice)

as The Trickster (voice)

as The Flash (voice)

as George Takei (voice)

as Halsey (voice)

as Steve Buscemi (voice)

as Jeff Dunham / Walter (voice)

as Darci Lynne Farmer / Petunia (voice)

as Maddie Ziegler (voice)

as Jeff Foxworthy (voice)

as Malcolm McDowell (voice)

as Thorn (voice)

as Dusk (voice)

as Luna (voice)

as Christian Slater (voice)

as Kacey Musgraves (voice)

as Morgan Freeman (voice)

as Kristen Schaal (voice)

as Joey Chestnut (voice)

as Gigi Hadid (voice)

as Alton Brown (voice)

as Tim Gunn (voice)

as Tara Lipinski (voice)

as Chloe Kim (voice)

as Laila Ali (voice)

as Liza Koshy (voice)

as Macklemore (voice)

as Sandy Duncan (voice)

as Alex Trebek (voice)

as Axl Rose (voice)

as Jason Sudeikis (voice)

as Lucy Liu (voice)

as Sean Astin (voice)

as Cher (voice)

as Jessica Biel (voice)

as Reverend Run (voice)

as Billy Dee Williams (voice)

as Terry Bradshaw (voice)

as Carol Burnett (voice)

as Announcer (voice)

as Talent Agent / Crazy Karl / Baz Bozzington (voice)

as Bill Nye (voice)

as Neil deGrasse Tyson (voice)

as Ghost of Abraham Lincoln / Jebb (voice)

as Augie Anderson / 'Mudsy' Muddlemore / Sergeant Ghost (voice)

as Ebb / Skip Gilroy (voice)

as Jacques-Pierre / Pierre-Jacques / Monster (voice)

as Chris Paul (voice)

as Caddy / Golf Announcer (voice)