Narrator (voice)

John Nesbitt

Acting

Man Examining Film Strip (uncredited)

Roger Moore

Acting

Lab Assistant (uncredited)

Emmett Vogan

Acting

Self (archive footage)

Franz Ferdinand von Österreich-Este

Acting

Self (archive footage)

Winston Churchill

Acting

Self (archive footage)

King Edward VIII of the United Kingdom

Acting

Self (archive footage)

Kaiser Wilhelm II of Germany

Acting

Self (archive footage)

William McKinley

Acting

Self (archive footage)

Theodore Roosevelt

Acting

Self (archive footage)

William Howard Taft

Acting

Self (archive footage)

King Manoel II

Acting

Self (archive footage)

King George VI of the United Kingdom

Acting

Self (archive footage)

King George V of the United Kingdom

Acting

Self (archive footage)

King Alfonso XIII of Spain

Acting

Self (archive footage)

King Albert I

Acting