George Segal

Robby Ross

Jacqueline Bisset

Natasha O'Brien

Robert Morley

Maximilian Van Devere

Jean-Pierre Cassel

Louis Kohner

Philippe Noiret

Jean-Claude Moulineau

Jean Rochefort

August Grandvilliers

Gigi Proietti

Ravello

Stefano Satta Flores

Fausto Zoppi

Frank Windsor

Blodgett

Peter Sallis

St. Claire

Tim Barlow

Doyle

John Le Mesurier

Dr. Deere

Joss Ackland

Cantrell

Jean Gaven

Salpetre

Daniel Emilfork

Saint-Juste

Jacques Marin

Massenet

Jacques Balutin

Chappemain

Jean Parédès

Brissac

Michael Chow

Soong

Nicholas Ball

Skeffington

David Cook

Bussingbill

Nigel Havers

Counterman

John Carlisle

Actor

Sheila Ruskin

Actress

Kenneth Fortescue

Director

Struan Rodger

Asst. Director

Derek Smith

Man In Corridor

Aimée Delamain

Old Woman

Caroline Langrishe

Loretta

Jill Goldston

Restaurant Patron (uncredited)

Sylvia Kay

Reporter (uncredited)

Ronald Leigh-Hunt

Priest marrying Bobby and Natasha (uncredited)

Steven Meek

Hotel Guest (uncredited)