Iain Glen as Carl Jung

Emilia Fox as Sabina Spielrein

Craig Ferguson as Richard Fraser

Caroline Ducey as Marie Franquin

Jane Alexander as Emma Jung

Viktor Sergachyov as Ivan Ionov

Ivan Igogin as Ivan as a child

Joanna David as Sabina's mother

Michele Melega as Pavel

Giovanni Lombardo Radice as Zorin

Daria Galluccio as Renate

Bob Marchese as Professor Bleuler

Anna Tiurina as Receptionist

Fiorenza Brogi as Bakery lady

Franco Olivero as Sabina's father

V. Nakonechny as Vasily Stalin

Loretta Borrelli as Soprano

Stefania Luberti as Nurse

Luisa Boccalatte as Nurse

Luisa Riccio as Nurse

Carola Ovazza as Governess

Cristina Romagnolo as Strings quartet

Alma Mandolesi as Strings quartet

Marina Martinova as Strings quartet

Claire Brandt as Strings quartet

Massimo Franceschi as Man at convention

Roberto Corno as Young pianist

Carlantonio Dogliani as Old pianist

Rebecca Innocenti as Rebecca as a child

Marta Gaia Ceccotti as Renate as a child

Davide Mazza as Child

Georgi Timoshin as Archivist

Tatyana Shchankina as Librarian

Boris Kogan as Rabbi

Svetlana Israileva as Teacher