Anglo-French avant-pop group Stereolab, who were one of the guest curators of Le Guess Who? 2023, perform as closing act of the festival.
| Actor | Role |
|---|---|
 Lætitia SadierNot listed | Not listed |
| TTim GaneNot listed | Not listed |
| JJoseph WatsonNot listed | Not listed |
| XXavier Muñoz GuimeraNot listed | Not listed |
| AAndy RamsayNot listed | Not listed |