Naomi Watts as Maria Bennett

Ewan McGregor as Henry Bennett

Tom Holland as Lucas Bennett

Samuel Joslin as Thomas Bennett

Oaklee Pendergast as Simon Bennett

Marta Etura as Simone

Sönke Möhring as Karl Schweber

Geraldine Chaplin as Old Woman

Ploy Jindachote as Caregiver

Jomjaoi Sae-Limh as Red Cross Nurse

Johan Sundberg as Daniel

Jan Roland Sundberg as Daniel's Father

La-Orng Thongruang as Old Thai Man

Tor Klathaley as Young Thai Man

Douglas Johansson as Mr. Benstrom

Emilio Riccardi as Morten Benstrom

Vorarat Jutakeo as Doctor in Stockroom

Karun Konsaman as Young Nurse in Stockroom

Nicola Harrison as Woman in Charge of Simon and Thomas

John Albasiny as Oliver Tudpole

Gitte Witt as Norwegian Patient

Bruce Blain as American Tourist

Celicia Arnold as American Tourist's Wife

Peter Tuinstra as American Tourist on Orchid Roof

Esther Davis as Volunteer in Children's Tent

Dominic Power as Tourist Near the Orchid

Sarinrat Thomas as Operating Nurse

Oak Keerati as Orchid Male Employee

Wipawee Charoenpura as Woman in Children's Minibus

Laura Power as Young Nurse in Airplane

Kowit Wattanakul as Henry's Pick-up Driver

Zoe Popham as Tourist in Henry's Pick-up

Danai Thiengdham as Tourist in Henry's Pick-up

Ronnie Eide as Tourist in Henry's Pick-up

Bonnie Zellerbach as Tourist at Bus Station

Ulf Pilblad as Tourist at Bus Station

Frank Gun as Tourist at Bus Station

Giovanni Agresti as Tourist Looking for Francesca

Georgina L. Baert as Person Looking for Relatives

David Bruce as Person Looking for Relatives

Natalie Lorence as Person Looking for Relatives

Sverre Golten as Person Looking for Relatives

Clare Louise Plunkett as Person Looking for Relatives

Raphaël Dewaerseghers as Naked Man

Pisamai Pakdeevijit as Thai Family in Stockroom

Aratchaporn Sathet as Thai Family in Stockroom

Jakapong Srichaem as Thai Family in Stockroom

Simon Blyberg as Ferdinand

Christopher Alan Byrd as Dieter

Namfon Pakdee as Orchid Female Employee

Georgia Winters as Patient in Takua Pa Hospital

Dina Kiseleva as Patient in Takua Pa Hospital

Tan D. Demir as Patient in Takua Pa Hospital

Krittanai Youngtrakull as Emergency Nurse

Takashi Hasegawa as Japanese Tourist

Kristen Mandel as Redheaded Woman

Sam Holland as Kid in Tent

Harry Holland as Kid in Tent

Mara García García as Kid in the Car