A nerdy high school super whiz experiments with a chemical which will transform his guinea pig "Mr. Mumps" from a gentle pet into a ravenous monster. In a fit of rage against his tormentors at the high school, Vernon Potts goes on a killing spree, eliminating all of those who ever picked on him - the Gym Coach, the School Jock, The Creepy Janitor & his hated teacher, Ms. Grindstaff.
Pat Cardi
Vernon Potts
Austin Stoker
Lieutenant Bozeman
Rosie Holotik
Robin Jones
John Niland
Coach McCall
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September 20, 1973
1h 25m
5.6
Larry N. Stouffer
J.D. Feigelson
37
Jamison Film Company
N/A
Crown International Pictures
US
Joye Hash
Miss Grindstaff
Jeff Alexander
Mr. Griggs
Mike McHenry
Roger Davis
Joe Greene
Coach's Buddy / Policeman
Nick Felix
Mr. Henshaw
Michelle Falerne
Girl-Student
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