Michelle Williams

Character: Gail Harris

Mark Wahlberg

Character: Fletcher Chase

Christopher Plummer

Character: Jean Paul Getty

Charlie Plummer

Character: John Paul Getty III

Romain Duris

Character: Cinquanta

Timothy Hutton

Character: Oswald Hinge

Charlie Shotwell

Character: John Paul Getty III (Age 7)

Andrew Buchan

Character: John Paul Getty II

Marco Leonardi

Character: Saverio Mammoliti

Giuseppe Bonifati

Character: Giovanni Iacovoni

Nicolas Vaporidis

Character: Il Tamia 'Chipmunk'

Andrea Piedimonte Bodini

Character: Corvo

Guglielmo Favilla

Character: Piccolino

Adele Tirante

Character: Maria

Stacy Martin

Character: Nancy

Maya Kelly

Character: Aileen Getty (Age 6)

Anna Devlin

Character: Aileen Getty (Age 15)

Kit Cranston

Character: Mark Getty (Age 4)

Stanley Treshansky

Character: Mark Getty (Age 13)

Ginevra Migliore

Character: Ariadne Getty (Age 2)

Josie Sayers

Character: Ariadne Getty (Age 11)

Olivia Grant

Character: Millicent

Charlotte Beckett

Character: Annie

Roy McCrerey

Character: Attorney

Giulio Base

Character: Coroner

Nicola Di Chio

Character: Kidnap Van Driver

Alessandra Roca

Character: Prostitue #1

Francesca Inaudi

Character: Prostitute #2

Francesco Bomenuto

Character: Rome Hotel Butler

Ghassan Massoud

Character: Arab Sheikh

Clive Wood

Character: Bullimore

Jonathan Aris

Character: Conservator

Oliver Ryan

Character: BBC Reporter

Cherise Silvestri

Character: Secretary Getty Oil

Enzo Attanasio

Character: Barn Man

Monica Nappo

Character: Barn Woman

Gino Nardella

Character: Villager #1

Chantal Ughi

Character: Villager #2

Riccardo De Torrebruna

Character: Carabinieri Captain

David Brooks

Character: Playboy Interviewer

Giannina Facio

Character: Otto Lam's Assistant