Le Veinard

Roger Moore

— Michael Scott

Susannah York

— Julia Richardson

Shelley Winters

— Diana Steedeman

Lee J. Cobb

— Henry Steedman

Jean-Pierre Cassel

— Leo

Raf Vallone

— General Peruzzi

Sydne Rome

— Sophie

Marianne Stone

— Party Guest

Julie Dawn Cole

— Tina Steedman

Donald Sinden

— British Gen. Armstrong

Michael Shannon

— Lt. Davis

Aubrey Woods

— Viscount L'Ardey

Alfred Hoffman

— Berckmann

Vincent Hall

— David Richardson

Fabian Cevallos

— Photographer

Timothy Carlton

— Tank commander

Τάκης Εμμανουήλ

— Arab Sheik

Merelina Kendall

— Antoinette

Anthony Valentine

— Party guest

Franco De Rosa

— Italian sergeant

Ted Hollis

— Zaventem passenger (uncredited)

Bonnie Hurren

— Party guest (uncredited)

Leonard Kavanagh

— Party guest (uncredited)

Soltan Lalani

— Ambassador (uncredited)

Mercia Mansfield

— Party guest (uncredited)

Jamila Massey

— Ambassador's wife (uncredited)