Scooby-Doo and Guess Who?

Frank Welker

Fred Jones / Scooby-Doo (voice)

Matthew Lillard

Shaggy Rogers (voice)

Grey DeLisle

Daphne Blake (voice)

Kate Micucci

Velma Dinkley (voice)

Mark Hamill

Joker (voice), The Trickster (voice), Mark Hamill (voice)

Billy West

Mr. Peebles (voice), Ebb / Skip Gilroy (voice)

Phil LaMarr

Madds Markson (voice), Caddy / Golf Announcer (voice)

John DiMaggio

Ghost of Abraham Lincoln / Jebb (voice), Talent Agent / Crazy Karl / Baz Bozzington (voice)

Wanda Sykes

Wanda Sykes (voice)

Ian James Corlett

Sherlock Holmes (voice)

Ricky Gervais

Ricky Gervais (voice)

Rachel Kimsey

Wonder Woman (voice)