Obsada

• Christina Ricci — Kathleen 'Kat' Harvey
• Malachi Pearson — Casper
• Devon Sawa — Casper (human form)
• Joe Nipote — Stretch
• Joe Alaskey — Stinkie
• Brad Garrett — Fatso
• Garette Ratliff Henson — Vic DePhillippi
• Jessica Wesson — Amber Whitmire
• Amy Brenneman — Amelia Harvey
• Bill Pullman — Dr. James Harvey
• Cathy Moriarty — Carrigan Crittenden
• Eric Idle — Paul 'Dibbs' Plutzker
• Don Novello — Father Guido Sarducci
• Ben Stein — Mr. Rugg
• Wesley Thompson — Mr. Curtis
• Dan Aykroyd — Ray Stantz
• Clint Eastwood — Clint Eastwood
• Rodney Dangerfield — Rodney Dangerfield
• Mel Gibson — Mel Gibson
• John Kassir — The Crypt Keeper (voice)
• Jess Harnell — Arnold (voice)
• Chauncey Leopardi — Nicky
• Spencer Vrooman — Andreas
• Mike Simmrin — Phantom
• Michael McCarty — Drunk in Bar
• Ernestine Mercer — Harvey Patient Being Interviewed
• Terry Murphy — Herself ('Hard Copy')
• Michael Dubrow — Student #1
• Janette Andrade — misfit student