Kirk Douglas as Andrej

Marlène Jobert as Fabienne

Trevor Howard as Trevor Dawson

Tom Courtenay as Baxter Clarke

Patrick Mower as John Fenton

Bernadette Lafont as Simone

Bernard Blier as Webb

Angharad Rees as Victoria

Sacha Pitoëff as Stefan

Richard Pearson as Haldene

Garfield Morgan as The Husband

Isabel Dean as Celia

Robin Parkinson as British Officer

Jonathan Cecil as British Atache

Robert Raglan as Ambassador

Jean Gilpin as Stewardess

Bridget Turner as Woman on Plane

Trevor Peacock as Man on Plane

Clive Cazes as Romanian on Plane

Robert Gillespie as Man in Lift

Ashley Knight as 1st Schoolboy

Philip DaCosta as 2nd Schoolboy

Sheila Steafel as Woman in Lift

Bunny May as Lift Operator

Fiona Moore as Russian Girl

Dinny Powell as Heavy

Bernice Stegers as Russian Girl

Del Baker as 2nd Heavy

Wilfrid Brambell as Beech

Cheryl Hall as Clarke's Girlfriend

John Thaw as (uncredited)