Helen Mirren

Patricia Highsmith

Alden Ehrenreich

Edward Ridgeway

Olivia Cooke

Clementine Balfour

Juliet Stevenson

Peggy

James Faulkner

Douglas Balfour

Brid Brennan

Kathryn Grierson

Maddalena Vallecchi Williams

Eleanor

Nikolai Selikovsky

Doctor

Luca Ferrini

Priest

Norbert Ortner

Taxi Driver

Alma Leiberg

Housekeeper

Enrico Mutti

Elegant italian man

Eduardo Xavier De Silva

Bradley Appleby

Giulia Lin

Tilly

Orlando Anselmetti

Waiter (Roman Bar)

Carlo Giuseppe Insam

Elderly Man

Adam Kay Nixon

Harry Apperton-Roy

Lorenzo Mellini

Waiter (Baur Au Lac Hotel)