In seven different parts, Godard, Ivens, Klein, Lelouch, Marker, Resnais, and Varda show their sympathy for the North-Vietnamese army during the Vietnam War.
Maurice Garrel
as Narrator (voice)
Anne Bellec
as (segment "Claude Ridder")
Karen Blanguernon
as Claude's Girfriend (segment "Claude Ridder")
Bernard Fresson
as Claude Ridder (segment "Claude Ridder")
Marie-France Mignal
as (segment "Claude Ridder") (uncredited)
Hồ Chí Minh
as Self (segment "Flash Back") (archive footage)
Agnès Varda
as Narrator (segment "Flash Back") (voice)
Jean-Luc Godard
as Self (segment "Camera Eye")
Tom Paxton
as Self (segment "Victor Charlie")
Michèle Ray-Gavras
as Narrator (segment "Victor Charlie") (voice)
William C. Westmoreland
as Self (segment "Why We Fight") (archive footage)
Fidel Castro
as Self (segment "Fidel Castro")