Fred Jones / Scooby-Doo (voice)
Shaggy Rogers (voice)
Daphne Blake (voice)
Velma Dinkley (voice)
Mark Hamill (voice) / Joker (voice)
Ebb / Skip Gilroy (voice) / Mr. Peebles (voice)
Madds Markson (voice) / Caddy / Golf Announcer (voice)
Talent Agent / Crazy Karl / Baz Bozzington (voice) / Ghost of Abraham Lincoln / Jebb (voice)
Wanda Sykes (voice)
Sherlock Holmes (voice)
Ricky Gervais (voice)
Wonder Woman (voice)
Penn Jillette (voice)
Teller (voice)
Steve Urkel / Urkel-Bot (voice)
Jim Gaffigan (voice)
'Weird Al' Yankovic (voice)
Sia (voice)
Kenan Thompson (voice)
Batman (voice)
Alfred Pennyworth (voice)
Whoopi Goldberg (voice)
The Flash (voice)
George Takei (voice)
