Olivia Colman
Leda Caruso
Jessie Buckley
Young Leda Caruso
Dakota Johnson
Nina
Ed Harris
Lyle
Paul Mescal
Will
Peter Sarsgaard
Professor Hardy
Dagmara Dominczyk
Callie
Jack Farthing
Joe
Alba Rohrwacher
Female Hiker
Oliver Jackson-Cohen
Toni
Panos Koronis
Vasili
R
Robyn Elwell
Bianca
E
Ellie Mae Blake
Martha
Alexandros Mylonas
Professor Cole
Nikos Poursanidis
Male Hiker
A
Athena Martin Anderson
Elena
Spyros Maragoudakis
Rough Boy 1
K
Konstantinos Samaa
Rough Boy 2
E
Emmanouela Zacharopoulou
Woman at Ticket Window
A
Alma Stansil
Babysitter
D
Daniela Babek
Female Italian Scholar
Ellie James
Older Bianca
I
Isabelle Della-Porta
Older Martha
Vassilis Koukalani
Maurice (uncredited)