Directed by
| Jeannot Szwarc | ||
Writing Credits
| Thomas Page | ... | (novel) |
| William Castle | ... | (screenplay) and |
| Thomas Page | ... | (screenplay) |
Cast (in credits order) complete, awaiting verification
| Bradford Dillman | ... | James Parmiter | |
| Joanna Miles | ... | Carrie Parmiter | |
| Richard Gilliland | ... | Gerald Metbaum | |
| Jamie Smith-Jackson | ... | Norma Tacker (as Jamie Smith Jackson) | |
| Alan Fudge | ... | Mark Ross | |
| Jesse Vint | ... | Tom Tacker | |
| Patty McCormack | ... | Sylvia Ross | |
| Brendan Dillon | ... | Charlie | |
| Frederic Downs | ... | Henry Tacker (as Fred Downs) | |
| James Greene | ... | Reverend Kern | |
 |
Jim Poyner | ... | Kenny Tacker |
|
|
Sam Javis | ... | Taxi Driver |
|
|
Bard Stevens | ... | Security Guard |
| Rest of cast listed alphabetically: | |||
|
|
Georgie Castle | ... | Student (uncredited) |
| William Castle | ... | (uncredited) | |
|
|
Karoly Fogassy | ... | Preacher at Funeral (uncredited) |
Produced by
| William Castle | ... | producer |
Music by
| Charles Fox | ||
Cinematography by
| Michel Hugo | ... | director of photography |
Editing by
| Allan Jacobs | ||
Casting By
| Ramsay King | ||
Art Direction by
| Jack Martin Smith | ||
Set Decoration by
| Reg Allen | ||
Makeup Department
| Judith A. Cory | ... | hair stylist (as Judy Alexander) |
| Tom Miller | ... | makeup artist (as Tom Miller Jr.) |
Second Unit Director or Assistant Director
| Leslie Moulton | ... | second assistant director |
| Jack Roe | ... | assistant director |
Art Department
| Allan Gordon | ... | property master |
| James F. Claytor Sr. | ... | set designer (uncredited) |
| Wally Graham | ... | construction coordinator (uncredited) |
| Rick Simpson | ... | leadman (uncredited) |
| John Zemansky | ... | assistant props (uncredited) |
Sound Department
| Jerry Jost | ... | production sound mixer |
| John Wilkinson | ... | re-recording mixer |
| Joseph Kite | ... | boom operator (uncredited) |
Special Effects by
| Phil Cory | ... | special effects |
| Walter Dion | ... | special effects (uncredited) |
| Karoly Fogassy | ... | special effects (uncredited) |
Camera and Electrical Department
| Ken John Borland | ... | key grip (as Ken Borland) |
| Larry Gilhooly | ... | gaffer |
| Herb Pearl | ... | camera operator |
| Gilbert Thevenaz | ... | assistant camera (as Gil Thevenaz) |
| Jack Gereghty | ... | still photographer (uncredited) |
| Bill Glascock | ... | electrician (uncredited) |
| Ken Johnson | ... | best boy grip (uncredited) |
| Gene Luce | ... | second assistant camera (uncredited) |
| Joel Stout | ... | best boy (uncredited) |
| Jack Vogel | ... | crab dolly operator (uncredited) |
| Gary R. Wostak | ... | electrician (uncredited) |
Casting Department
| Joyce Irving | ... | casting secretary (uncredited) |
Costume and Wardrobe Department
| Guy C. Verhille | ... | wardrobe (as Guy Verhille) |
Editorial Department
| Dennis Wooley | ... | assistant film editor |
Music Department
| Charles Fox | ... | composer: electronic music |
Script and Continuity Department
| Cynnie Troup | ... | script supervisor |
Transportation Department
| Stewart Satterfield | ... | transportation (uncredited) |
Additional Crew
| Steve Bickel | ... | assistant to producer |
| Ken Middleham | ... | director: insect sequences |
| Marge Pinns | ... | assistant to producer |
| Vern Debord | ... | animal trainer (uncredited) |
| Lou Feldman | ... | craft service (uncredited) |
| Don Henry | ... | production auditor (uncredited) |
| Stevie Scott | ... | animal trainer (uncredited) |
| Bob Yeager | ... | unit publicist (uncredited) |
