In Miami, Florida, biker gang leader Edward "Diablo" Santer is about to be executed for murder when he proclaims his innocence and vows revenge from the grave. When a mysterious biker comes to town during Spring Break festivities, leaving several teenagers electrocuted to death, some begin to suspect that Santer has made good on his promise.
Unfortunately the movie Nightmare Beach is not yet available on HBO Max.
| Directing | James Justice | Director |
| Directing | Umberto Lenzi | Director |
| Writing | Umberto Lenzi | Story |
| Writing | Vittorio Rambaldi | Story |
| Writing | Umberto Lenzi | Screenplay |
| Writing | James Justice | Screenplay |
| Writing | James Justice | Story |
| Production | William J. Immerman | Producer |
| Production | Josi W. Konski | Producer |
| Production | Valerie Kenny Wolkoff | Associate Producer |
| Sound | Claudio Simonetti | Original Music Composer |
| Crew | Antonio Climati | Cinematography |
| Editing | John Rawson | Editor |
| Production | Billy DaMota | Casting Director |
| Production | Beverly McDermott | Casting Director |
| Art | Federico Padovan | Art Direction |
| Costume & Make-Up | Frank Cacciatori | Assistant Makeup Artist |
| Costume & Make-Up | Timothy Huizing | Makeup Artist |
| Costume & Make-Up | Mayte Nardo | Makeup Artist |
| Costume & Make-Up | Alex Rambaldi | Special Effects Makeup Artist |
| Costume & Make-Up | Vittorio Rambaldi | Special Effects Makeup Artist |
| Production | Thomas Sagone | Production Manager |
| Production | Luke Shortner | Unit Manager |
| Directing | Barry Simonson | Assistant Director |
| Art | Joseph Bearman | Property Master |
| Art | George Hackett | Painter |
| Art | Billy Murphy | Property Master |
| Art | Deborah Ristic | Storyboard Artist |
| Art | Julie Tyson | Set Dresser |
| Sound | Nick Alexander | Sound Editor |
| Sound | Dick Mayer | Sound Mixer |
| Sound | Al McGuire | Boom Operator |
| Crew | Gary F. Bentley | Special Effects |
| Visual Effects | Alex Rambaldi | Visual Effects |
| Crew | Jay Amor | Stunts |
| Lighting | David Hagerty | Best Boy Electric |
| Camera | Silvester Hammerman | Grip |
| Camera | Ascott Jones | Grip |
| Camera | Joey Kowalski | Camera Operator |
| Camera | Cyrus Mantakis | Still Photographer |
| Camera | Carlos Ortega | Assistant Camera |
| Lighting | Oren Slubowski | Gaffer |
| Camera | Myron Tameling | Key Grip |
| Production | Alan Berger | Casting Associate |
| Production | Lisa O'Connor | Additional Casting |
| Costume & Make-Up | Franco Carretti | Costumer |
| Costume & Make-Up | Leslie Herman | Set Costumer |
| Editing | Terry Arkwright | First Assistant Editor |
| Editing | Sylvia Brophy | Assistant Editor |
| Directing | Maria Stella Gallo | Continuity |
| Crew | Joseph Bearman | Driver |
| Crew | Taffy Reese | Transportation Captain |
| Production | Frank Bellito | Production Assistant |
| Production | Cynthia Carpenter | Producer's Assistant |
| Production | Daniel Del Calvo | Production Accountant |
| Crew | Andres Munoz | Craft Service |
| Crew | Umberto Lenzi | Technical Advisor |
