James Franco’s “Child of God” is dark — and grim. But it also has moments of levity. It was critical, said Franco, who directed and co-wrote the film adaptation, to give audiences permission to laugh, so they would stick with the film despite its dark central character.James Franco’s “Child of God” is dark — and grim. But it also has moments of levity. It was critical, said Franco, who directed and co-wrote the film adaptation, to give audiences permission to laugh, so they would stick with the film despite its dark central character.