| Actor | Marshall Grauer (as Dr. Kurt Leopold), Wade Popwell (as The Monster), Paul Galloway (as Sheriff Lou Krantz), Gerald Cruse (as Marine Biologist Rex), Sanna Ringhaver (as INPIT Agent Martha Walsh), Dave Dickerson (as INPIT Agent Walker Stevens), Rich Valliere (as Deputy Sheriff), Nancy Lien (as Girl Camper), Russell Holcomb, Gloria Brady, Del Galloway, Hal Nearhoof, Jim Merrill (as Boy on Porch), Elizabeth Barton (as Girl on Porch), Bob Knowles |
| Director | Don Barton |
| Writer | Ron Kivett, Lee O. Larew |
| Writer/Director (uncredited) | Arnold Stevens |
Releases 1
| Title | Format | Region | |
|---|---|---|---|
 | Zaat | VHS |
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