Dr. Ira Kane
Dr. Allison Reed, CDC
Prof. Harry Phineas Block
Wayne Grey
General Russell Woodman
Colonel Flemming
Deke
Danny
Governor Lewis
Cartwright
Officer Johnson
Denise
Carla
Nadine
Jill Mason
Student
Judge Guilder
Dr. Paulson
Officer Drake
Tommy
Clare
Nurse Tate
Sheriff Long
Customer
Road Worker
Lead Primate Creature (uncredited)
Lt. Cryer