Sigourney Weaver as Dr. Lauren Slaughter

Michael Caine as Lord Sam Bulbeck

Patrick Kavanagh as General Sir George Newhouse

Faith Kent as Lady Newhouse

Ram John Holder as Lindsay Walker

Keith Buckley as Hugo Van Arkady

Nadim Sawalha as Karim Hatami

Vincent Lindon as Sonny

Maria Aitken as The Hon. Maura Hardcastle

Donald Pickering as George Hardcastle

Angus MacInnes as Bill Rafferty

Rupert Vansittart as Alan Platts-Williams

Anne Lambton as Sidney Platts-Williams

Janet McTeer as Van Arkady's Secretary

Siobhan Redmond as Institute Secretary

Katherine Schofield as Overdressed Lady

Patrick Newman as Julian Shuttle

Niall O'Brien as Captain Twilley

Michael Elwyn as Tom Haldane

Ninka Scott as Mrs Haldane

Jasper Jacob as Rex Lanham

Carol Cleveland as American Wife

Eddie Powell as S.A.S. Man (uncredited)

Kevork Malikyan as First Diplomat

Haluk Bilginer as First Arab