Half Moon Street

Sigourney Weaver

Dr. Lauren Slaughter

Michael Caine

Lord Sam Bulbeck

Patrick Kavanagh

General Sir George Newhouse

Faith Kent

Lady Newhouse

Ram John Holder

Lindsay Walker

Keith Buckley

Hugo Van Arkady

Nadim Sawalha

Karim Hatami

Vincent Lindon

Sonny

Maria Aitken

The Hon. Maura Hardcastle

Donald Pickering

George Hardcastle

Angus MacInnes

Bill Rafferty

Rupert Vansittart

Alan Platts-Williams

Anne Lambton

Sidney Platts-Williams

Janet McTeer

Van Arkady's Secretary

Siobhan Redmond

Institute Secretary

Katherine Schofield

Overdressed Lady

Patrick Newman

Julian Shuttle

Niall O'Brien

Captain Twilley

Michael Elwyn

Tom Haldane

Ninka Scott

Mrs Haldane

Jasper Jacob

Rex Lanham

Carol Cleveland

American Wife

Eddie Powell

S.A.S. Man (uncredited)

Kevork Malikyan

First Diplomat

Haluk Bilginer

First Arab