 | Gwendoline Christie als Patricia Highsmith (voice) |
 | Annina Butterworth als Self - Narrator (voice) |
| Marijane Meaker als Self - Writer / Highsmith's Friend |
| Courtney Coates Blackman als Self - Highsmith's Relative |
| Judy Coates als Self - Highsmith's Relative |
| Dan Coates als Self - Highsmith's Relative |
| Monique Buffet als Self - Former Teacher / Highsmith's Friend |
 | Tabea Blumenschein als Self - Actress / Highsmith's Friend |
| Kaey Kihl als Self |
| Malte Göbel als Self |
 | Patricia Highsmith als Self - Writer (archive footage) |
| Eva Vitija | Director |
| Eva Vitija | Writer |
| Franziska Sonder | Producer |
| Maurizius Staerkle Drux | Producer |
| Siri Klug | Director of Photography |
| Rebecca Trösch | Editor |
| Jascha Viehl | Sound Designer |
| Lino Rettinger | Line Producer |
| Alexander Weuffen | Sound Re-Recording Mixer |
| Felix Hüsken | Color Grading |
| Fabian Kaiser | Graphic Designer |
| Noël Akchoté | Original Music Composer |
| Fabian Engeler | Animation |
| Fabian Kaiser | Animation |
| Judy Coates | In Memory Of |
| Tabea Blumenschein | In Memory Of |
| Carl-Ludwig Rettinger | Co-Producer |
| Juliane Vari | Sound Engineer |
| Fabian Engeler | Compositor |
| Fabian Kaiser | Compositor |
| Kathrin Brinkmann | Commissioning Editor |
| Urs Augstburger | Commissioning Editor |
| Silvana Bezzola Rigolini | Commissioning Editor |
| Barbara Seiler | Commissioning Editor |
| Denise Chervet | Commissioning Editor |
| Judith Hardegger | Commissioning Editor |
| Raphael Bondy | Assistant Director |
| Signe Astrup | Assistant Director |
| Sabine Gisiger | Dramaturgy |
| Andres Veiel | Dramaturgy |
| Dawn Suhyun Shim | Additional Photography |
| Carmen Stadler | Additional Photography |
| Raphael Bondy | Additional Photography |
| Oscar van Hoogevest | Sound Assistant |
| Holger Buff | Foley Artist |
| Joshua Seckerdieck | Visual Effects |
| Christophe Albertijn | Music Editor |
| Ian Oggenfuss | Post Production Supervisor |
| Jeremy Zimmermann | Casting |
