Seen everything by Christopher Cassel?
If you've already watched everything Christopher Cassel directed, here are 12 films from other directors that share the orbit of To End All War: Oppenheimer & the Atomic Bomb — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Christopher Cassel's own filmography. Where to go next. (Also: Christopher Cassel's full filmography · where to start with Christopher Cassel.)
Summer of Soul (...Or, When the Revolution Could Not Be Televised)
Grizzly Man
Zeitgeist: The Movie
History of Postwar Japan as Told by a Bar Hostess
Making Waves: The Art of Cinematic Sound
My Generation
100 Years of Japanese Cinema
Voyage of Time: Life's Journey
The Sorrow and the Pity: The Film That Shocked France
Friends: The Reunion