Tilda Swinton

Gertrude Bell (voice)

Adam Astill

Sgt. Frank Stafford

Tom Chadbon

Sir Valentine 'Domnul' Chirol

Simon Chandler

David Hogarth

Joanna David

Janet Courtney

Anthony Edridge

Sir Arnold 'A.T.' Wilson

Amed Hashimi

Suleiman Faidhi

Andrew Havill

Sir Percy Cox

Michael Higgs

General Sir Gilbert Clayton

Hayat Kamille

Mme. Jamil Zadeh

Rose Leslie

Young Gertrude Bell (voice)