Der Blob
Kevin DillonBrian Flagg
Shawnee SmithMeg Penny
Donovan LeitchPaul Taylor
Jeffrey DeMunnSheriff Herb Geller
Candy ClarkFran Hewitt
Joe SenecaDr. Meddows
Del CloseReverend Meeker
Paul McCraneDeputy Bill Briggs
Sharon SpelmanMrs. Penny
Beau BillingsleaMoss Woolsey
Art LaFleurPharmacist / Mr. Penny
Ricky Paull GoldinScott Jeskey
Robert AxelrodJennings
Bill MoseleySoldier #2
Frank CollisonPhil Hobbs—Projectionist
Michael KenworthyKevin Penny
Jack RaderCol. Hargis
Billy BeckThe Can Man- WWade MayerMovie Patron
Douglas EmersonEddie Beckner
Jack NanceDoctor- CCharlene FoxWoman in Doctor's Office
Erika EleniakVicki De Soto
Margaret SmithNurse
Teddy VincentSally Jeffers
Don BrunnerWhite Suit #1 / Scientist
Clayton LandeyGeorge Ruiz
Jacquelyn MascheWhite Suit #2
Julie McCulloughSusie- DDaryl MarshLance
Jamison NewlanderAnthony- JJudith FlanaganEddie's Mother
- RRichard Anthony CrennaSoldier Outside Town Hall
- PPons MaarTheatre Manager
- MM. James ArnettRadio Man
Peter CrombieSoldier at Command Post
Rick AverySoldier with Cracked Faceplate- DDavid WeiningerSoldier #1
- MMoss PorterSergeant
- NNoble CraigPuddle Soldier
- OOpelene BartleyOld Woman in Tent
- PPortia GriffinGospel Singer
- JJennifer LincolnYoung Woman in Town Hall
Charlie SpradlingCo-Ed- KKristen AldrichCo-Ed
- MMichael LindströmMovie Patron (uncredited)
Chuck RussellMovie Patron (uncredited)