 | Keira Knightley als Sabina Spielrein |
 | Viggo Mortensen als Sigmund Freud |
 | Michael Fassbender als Carl Jung |
 | Sarah Gadon als Emma Jung |
 | Vincent Cassel als Otto Gross |
 | André Hennicke als Professor Eugen Bleuler |
 | Arndt Schwering-Sohnrey als Sándor Ferenczi |
 | Mignon Remé als Jung's Secretary |
 | Mareike Carrière als Food Nurse |
 | Franziska Arndt als Bath Nurse |
 | Wladimir Matuchin als Nikolai Spielrein |
 | André Dietz als Medical Policeman |
 | Anna Thalbach als Bathtub Patient |
 | Sarah Marecek als Orchard Nurse |
 | Björn Geske als Orderly |
 | Markus Haase als Orderly |
 | Christian Serritiello als Ship's Officer |
 | Clemens Giebel als Ship's Steward |
| Theo Meller als Karl Abraham |
 | Jost Grix als Leonhard Seif |
 | Severin von Hoensbroech als Johan van Ophuijsen |
| Torsten Knippertz als Ernest Jones |
| Dirk S. Greis als Franz Riklin |
 | Katharina Palm als Martha Freud |
 | Nina Azizi als Minna Bernays |
 | Julie Chevallier als Anna Freud |
 | Cynthia Cosima als Sophie Freud |
 | Mirko Guckeisen als Ernst Freud |
| Julia Mack als Mathilde Freud |
 | Andrea Magro als Jean Freud |
| Aaron Keller als Oliver Freud |
 | Nadine Salomon als Maid at Freud's House |
| Naike Jaszczyk als Agathe Jung |
| Sarah Adams als Gret Jung |
| James McAteer | Production Design |
| David Cronenberg | Director |
| Jeremy Thomas | Producer |
| John Kerr | Novel |
| Howard Shore | Original Music Composer |
| Denise Cronenberg | Costume Design |
| Peter Watson | Executive Producer |
| Gernot Thöndel | Set Decoration |
| Stephan Mallmann | Executive Producer |
| Karl Spoerri | Executive Producer |
| Christopher Hampton | Screenplay |
| Peter Suschitzky | Director of Photography |
| Ronald Sanders | Editor |
| Matthias Zimmermann | Executive Producer |
| Deirdre Bowen | Casting |
| Thomas Sterchi | Executive Producer |
| Martin Katz | Co-Producer |
| Sebastian Soukup | Supervising Art Director |
| Roman Rigo | Boom Operator |
| Marco Mehlitz | Co-Producer |
| Richard Mansell | Associate Producer |
| Marco Mehlitz | Line Producer |
| Tiana Alexandra | Associate Producer |
| Nina Hirschberg | Art Direction |
| Liam Daniel | Still Photographer |
| Francis 'Kiko' Soeder | Art Direction |
| Caroline Veyssière | Script Supervisor |
| Jennifer Dunnington | Music Editor |
| Anja Fromm | Art Direction |
| Stephan Dupuis | Hair Designer |
| Michael O'Farrell | Supervising Sound Editor |
| Wayne Griffin | Supervising Sound Editor |
| Christopher Hampton | Theatre Play |
| Stephan Dupuis | Makeup Designer |
| Nigel Egerton | Assistant Costume Designer |
| Bernhard Speck | Production Controller |
| Ulrich Ritter | Key Hair Stylist |
| Heike Kerschgens | Production Coordinator |
| Julia Wilson Dickson | Dialect Coach |
| Barbara Kichi | Key Hair Stylist |
| Lori Waters | Post Production Supervisor |
| Frauke Nelißen | Art Department Coordinator |
| John Colley | Gaffer |
| Jan Rott | Set Decoration Buyer |
| Reinhard Stergar | Production Sound Mixer |
| Imke Sommerkamp | Unit Production Manager |
| Stefan Isfort | Property Master |
| Nadia Homri | Hairstylist |
| Rob Bertola | Sound Effects Editor |
| Christian T. Cooke | Sound Re-Recording Mixer |
| Michal Holubec | Production Sound Mixer |
| Nadia Homri | Makeup Artist |
| Michael Madden | Set Designer |
| Klaus Bienen | Set Dressing Artist |
| Orest Sushko | Sound Re-Recording Mixer |
| Sonja Fisher | Location Manager |
| Itsuko Kurono | Set Designer |
| Carl Jung | Thanks |
| Sigmund Freud | Thanks |
| Alastair Gray | Dialogue Editor |
| Tony Currie | Dialogue Editor |
| Manuela Antritter | Makeup & Hair |
| Andrea Braun | Makeup & Hair |
| Ulrike Gass-Flakowski | Makeup & Hair |
| Gesa Gerersdorfer | Makeup Artist |
| Adriane Graeff | Makeup Artist |
| Andrea Hecking | Makeup & Hair |
| Carla Hovenbitzer | Makeup & Hair |
