Botselingen (Collisions) is one of three surviving short films from the Fllmtechnische Leergang (Film Technical Course). Like Sonate by Emiel van Moerkerken and Diepte by Frans Dupont, the film provides valuable insight into the ideas and ambitions behind the FTL.
| Actor | Role |
|---|---|
| FFrans DupontNot listed | Not listed |
| WWillem van der HoogNot listed | Not listed |
| BBep JonkmanNot listed | Not listed |
 Atie RaaffNot listed | Not listed |
 Elsy KepplerNot listed | Not listed |