Jeremy Foley as Casper (voice)

Brendon Ryan Barrett as Chris Carson

Steve Guttenberg as Tim Carson

Lori Loughlin as Sheila Fistergraff

Rodney Dangerfield as Johnny Hunt

Shannon Chandler as Jennifer

Michael McKean as Bill Case

Richard Moll as Principal Rabie

Jim Ward as Stretch (voice)

Bill Farmer as Stinky (voice)

Jess Harnell as Fatso (voice)

Pauly Shore as Snivel (voice)

James Earl Jones as Kibosh (voice)

Debi Mazar as Angie Lyons

Sherman Hemsley as Grocer

Steven Hartman as Brock Lee

Logan Robbins as Danny

D'Juan Watts as Leon

Ben Stein as Grocer

Brian Doyle-Murray as Foreman Dave

Casper Van Dien as Bystander

Edie McClurg as Librarian

Rodger Halston as Stan

Michael McDonald as Sarcastic Protester

Manny Fernandez as Frustrated Protester

Michael Spagnoli as Fearful Protester

Rick Dean as Punk

Patricia Elliott as Mortified Teacher

Shell Danielson as Newscaster

Phillip Connery as Driver

William Kendall as Passenger

Dawn Howard as Frightened Shopper

Emily Jennifer Grunfeld as Little Girl

Janet Wood as Talkative Mom

Brendan O'Brien as Terrified Worker

David Kloser as Terrified Worker #2

Danny Weselis as Father

Casey Dolkas as Son (as Casey Ryan)

Janet Rotblatt as Little Old Lady

Jennifer Prettyman as