During a Caribbean holiday, a British civil servant finds herself falling in love with a Russian agent.
Julie Andrews
as Judith Farrow
Omar Sharif
as Feodor Sverdlov
Anthony Quayle
as Jack Loder
Dan O'Herlihy
as Fergus Stephenson
Sylvia Syms
as Margaret Stephenson
Oskar Homolka
as General Golitsyn
Bryan Marshall
as George MacLeod
David Baron
as Richard Paterson
Celia Bannerman
as Rachel Paterson
Roger Dann
as Colonel Moreau
Sharon Duce
as Sandy Mitchell
George Mikell
as Major Stukalov
