Nicole Kidman as Gertrude Bell

James Franco as Henry Cadogan

Damian Lewis as Richard Wylie

Jay Abdo as Fattuh, Bell's guide

Robert Pattinson as T.E. Lawrence

Jenny Agutter as Florence Bell

David Calder as Hugh Bell

Christopher Fulford as Winston Churchill

Nick Waring as Sir Mark Sykes

Holly Earl as Florence Lascelles

Sophie Linfield as Judith Doughty-Wylie

Mark Lewis Jones as Frank Lascelles

Beth Goddard as Aunt Lascelles

Michael Jenn as R. Campbell Thompson

William Ellis as Earl of Chester

John Wark as Arnold Runcie

Richard Goulding as Havenhurst

Charlie Hollway as Hairdresser

Younes Benzakour as Abdullah

Hamza El Moustaati as Omar

Abdellah Bensaidi as Dispatcher

Abdellatif Chaouqi as Lieutenant

Megan Sullivan as Secretary

Mohamed Boussalem as Druze Sheikh

Mehdi Quazzani as Warrior

Mostafa El Houari as Druze Warrior

Hamid Najah as Fortune Teller

Mohamed Ziat as Old Man

Anas El Baz as Horseman

Qualid Mezouar as Dignitary

Hicham Haijji as Minister

Abderrahmane Baalla as Sheikh Harb

Nick N. Raslan as Shop Owner

Amadou Salah as Hamad

Ismael Kanater as Hayil Gate Keeper

Fehd Benchemsi as Ibrahim

Nadia Niazi as Fatima

Fatima ezzahra El Jaouhari as Turkkiyeh

Anas Cherifi as Emir

Francis Montary as Reporter

Colin Goodwin as General

Peter Stevenson as Colonel

Ayoub Layoussifi as King Abdullah

Younes Bouab as King Faisal

Assaad Bouab as Sheikh

Sarah Crowden as Lady Ascot (uncredited)

Renee Faia as Farsi voice actor (uncredited)

Mustafa Haidari as Farsi voice actor (uncredited)

Christina Low as Handmaiden (uncredited)