Also Known As:- A Noite do Terror Rastejante
- I carnivori venuti dalla savana
- La nuit des vers géants
- Maskarna
- Matelijat
- Squirm - Gusanos asesinos
- Squirm - Invasion der Bestien
- Squirm - Krälande fasa
- Ta skoulikia
- Jeff Lieberman
- Jeff Lieberman
- Don Scardino ... Mick
- Patricia Pearcy ... Geri Sanders
- R.A. Dow ... Roger Grimes
- Jean Sullivan ... Naomi Sanders
- Peter MacLean ... Sheriff Jim Reston (as Peter Mac Lean)
- Fran Higgins ... Alma Sanders
- William Newman ... Quigley
- Barbara Quinn ... The Sheriff's Girl
- Carl Dagenhart ... Willie Grimes
- Angel Sande ... Millie
- Carol Jean Owens ... Lizzie
- Kim Iocouvozzi ... Hank
- Walter Dimmick ... Danny
- Leslie Thorsen ... Bonnie
- Julia Klopp ... Mrs. Klopp
- Ralph Flanders ... 1st Man at Lunch Counter
- Albert Smith ... 2nd Man at Lunch Counter
- Jim Shirah ... 3rd Man at Lunch Counter
- Harold Mumm ... Bus Driver
- W.A. Lindblad ... Power Line Repairman (as W.A. Lindblatt)
