Peter Weiss’ monumental 1965 stage play, among the greatest artworks on the Holocaust, condenses the testimonies of witnesses and the accused during the Frankfurt Auschwitz Trials of 1963-1965. This ultra-faithful film adaptation builds, across four hours, in its intensity and graphically described detail.
Unfortunately the movie The Investigation is not yet available on Disney Plus.
| Directing | Rolf Peter Kahl | Director |
| Editing | Anne Fabini | Editor |
| Production | Alexander van Dülmen | Producer |
| Production | Marc Schötteldreier | Casting |
| Production | Thomas Rhode | Line Producer |
| Camera | Guido Frenzel | Director of Photography |
| Production | Friede Springer | Co-Producer |
| Editing | Peter R. Adam | Editor |
| Editing | Christoph Strothjohann | Editor |
| Writing | Peter Weiss | Theatre Play |
| Art | Nina Peller | Art Direction |
| Costume & Make-Up | Bettina Klömpken | Costume Design |
| Writing | Rolf Peter Kahl | Writer |
| Writing | Alexander van Dülmen | Writer |
| Lighting | Peer Langemak | Gaffer |
| Costume & Make-Up | Kerstin Riek | Makeup Designer |
| Directing | Christoph Gampl | Co-Director |
| Sound | Oliver Weißler | Sound |
| Sound | Jürgen Schulz | Sound Designer |
| Sound | Matthias Schwab | Sound Mixer |
| Production | Jenny Vogt | Production Manager |
| Crew | Christian A. Buschhoff | Technical Supervisor |
| Directing | Cynthia Buchheim | Assistant Director |
| Directing | Lou Wildemann | Script Supervisor |
| Camera | Sabine Blasczyk | Camera Operator |
| Camera | Thomas Falk | Camera Operator |
| Camera | Frank Hilmer | Camera Operator |
| Camera | Miriam Kolesnyk | Camera Operator |
| Camera | Jörg Müller | Camera Operator |
| Camera | Philip Müller | Camera Operator |
| Crew | Tilman Büttner | Steadycam |
| Camera | Sven Ulrich | Camera Operator |
| Lighting | Jakob Brunert | Lighting Technician |
| Lighting | Tobias Grabosch | Lighting Technician |
| Lighting | Axel Hamann | Lighting Technician |
| Lighting | Eva Kinader | Lighting Technician |
| Lighting | Christian Blaschke | Lighting Director |
| Lighting | Ralf Dornig | Gaffer |
| Production | Marcel Bang | Assistant Production Manager |
| Camera | Christoph Gampl | Camera Operator |
| Production | Fred Kogel | Production Manager |
| Editing | Claudia Gittel | Digital Colorist |
| Costume & Make-Up | Emily Schumann | Assistant Costume Designer |
| Costume & Make-Up | Nina Ballhause | Costume Consultant |
| Sound | Matti Gajek | Original Music Composer |