Tensions rose on set between cinematographer Armando Nannuzzi and Valerii. Fonda was being told how to pick up money off the ground and was told two different ways to pick up between Valerii and Nannuzzi. Their relationship became more intense, with Nannuzzi eventually leaving the film. When the film began shooting in Spain in Almeria and Guadix, Valerii had a new cinematographer Giuseppe Ruzzolini and Sergio Salvati. Salvati worked as a cameraman uncredited for the sequences of the duel among mirrors and Nobody's meeting with Sullivan in the gambling room. A new problem arose on set when costumes for Henry Fonda vanished, leading to production stopping for nine days. This led to paying a high penalty to keep Fonda for a few days or postpone shooting until he was free again. Leone proposed to Valerii that they either cut 30 or 40 pages from the script or create a second unit to finish the film. Leone offered to take the second unit shots, which Valerii accepted. Claudio Mancini warned Valerii, stating that Leone would take credit for the film when they go back to Rome if he let him shoot anything. Valerii took over scenes involving Henry Fonda and the action sequences in the desert, while Leone directed the saloon scene with Terence Hill showing his gunslinger skills and parts of the sequences in the village festival, and the public urinal scene which was not in the original script. Assumptions range between how much Leone contributed to the film. Christopher Frayling noted that "the most likely scenario is that Leone helped out on a duel, then took over second-unit work on 'the battle', and then directed the opening scenes and the carnival section of the film." John Landis, who has claimed to be an extra in the film, said that "We shot for a couple of weeks, among hundreds of extras on horseback, attacking and firing wildly. Fonda and Hill kept us all at bay. Leone directed that battle on horseback." Neil Summers who played Squirrel stated that Leone "directed most of the scenes I was in [...] [Leone] worked slowly and was constantly trying new angles with his camera and new innovative shots with his actors." Valerii himself stated that "scenes filmed by Leone are: Terence Hill getting drunk in the saloon (but not the close-ups of that shattering glasses, I shot those myself; and also the footage of the betting, with Piero Lulli taking the money, is mine); the part of the sequence at the fair which starts from the moment where Nobody steals the apple from the boy, to the episode of the pies thrown at the negroes' faces; the digression in the public urinal, [...] and several close-ups of Nobody who, while Beauregard fights the Wild Bunch, takes note of the body count as if they were points at a game, another addition on the part of Leone, who thought it was a funny idea."