In "The Three Investigators and The Secret of Skeleton Island" the cult detective trio from Rocky Beach, California, fall into a breath-taking mixture of adventure, thriller and mystery. Only by a hairs-breadth did they escape with their lives after the successful completion of their last case.
| Writing | Ronald Kruschak | Creative Producer |
| Production | Malte Grunert | Producer |
| Writing | Thomas Oliver Walendy | Screenplay |
| Writing | Robert Arthur, Jr. | Author |
| Sound | Annette Focks | Music |
| Editing | Ueli Christen | Editor |
| Production | Sytze van der Laan | Producer |
| Art | Albrecht Konrad | Set Designer |
| Art | Billy Keam | Set Designer |
| Writing | David Howard | Screenplay |
| Writing | Ronald Kruschak | Screenplay |
| Directing | Florian Baxmeyer | Director |
| Writing | Philip LaZebnik | Screenplay |
| Crew | Elisabeth Arthur | Creative Consultant |
| Costume & Make-Up | Esther Walz | Costume Design |
| Directing | Jan Sebastian Ballhaus | Director |
| Art | Elgin Rust | Art Direction |
| Directing | Agne Januskyte | Second Assistant Director |
| Production | Giselher Venzke | Co-Producer |
| Production | Stuart Pollok | Executive Producer |
| Production | David Groenewold | Co-Producer |
| Production | Michael Schwarz | Line Producer |
| Crew | Peter Krause | Cinematography |
| Production | Jayson de Rosner | Unit Production Manager |
| Production | Dieter Stempnierwsky | Line Producer |
| Art | Darryl Hammer | Art Direction |
| Costume & Make-Up | Marie Maggio | Assistant Makeup Artist |
| Directing | François Doge | Second Unit Director |
| Directing | Jan Sebastian Ballhaus | First Assistant Director |
| Production | Jennifer L. Smith | Casting |
| Costume & Make-Up | Björn Rehbein | Key Hair Stylist |
| Costume & Make-Up | Björn Rehbein | Key Makeup Artist |
| Art | Graeme Blem | Set Decoration |
| Directing | Lali Avis | Second Second Assistant Director |
| Directing | Wendy Croad | Second Assistant Director |
| Crew | Gabriele Niemeyer | Post Production Supervisor |
| Directing | Eva Franzen | First Assistant Director |
| Sound | Ralph Thiekötter | Sound Re-Recording Mixer |
