Shaggy Rogers (voice)
Daphne Blake (voice)
Velma Dinkley (voice)
Fred Jones / Scooby-Doo (voice)
Ghost of Amos Littlefield / Mr. Heaton (voice) / Snood (voice)
Lead Viking Ghost / Police Officer / Ranger Mark (voice) / Big Guy / Swamp Monster (voice)
Masseuse (voice) / McQuaid / Young Aengus (voice)
Bones Malone / Mike (voice) / Nate / Baker (voice)
Cutler (voice) / Dr. Mezmit / Alistair Leventhal / Tour Bus Guide (voice)
President Moon / Announcer / Coast Guard (voice) / Soung (voice)
Daughter / Edith / Mother (voice) / Vandergrauff (voice)
Announcer / Piero the Puppeteer / Sammy Samson (voice) / Fortune Machine / Oopsy (voice)
Scott / Mr. Clune / Cop (voice) / Gus / Jasper / Announcer (voice)
Ed Johnson / Captain Anderson (voice) / Dunsbury (voice)
Wendy Palloy / Parrot (voice) / Martha / Mother / Tommy (voice)
Mallory O'Neill (voice) / Business Woman (voice)
Dave Mann (voice) / Donald / Father (voice)
Mason / Eric (voice) / Bewildero / Johnny Cobra (voice)
Braiden / Little Boy (voice) / Lord Morlack (voice)
Miguel (voice) / George / Mayor Riker (voice)
Daniel Valentino / Mr. Sullivan / Announcer (voice) / Bayou Pierre / Dwayne (voice)
Bradwick / Headless Count (voice) / Duncan / Clive / Magician (voice)
Casper Cosgoode (voice) / Harmon / Madcap (voice)
Ravi / Stealin Stan / Prisoner 2 (voice) / Harvey / King Avery (voice)
