Ivo Sebastianelli, electrician, driver and cook of the crew, was persuaded by director of photography Claudio Cirillo to play the small but memorable role of annoying, song-obsessed truck driver Benedetto Campi.
One of the several collaborations between actors Alberto Sordi and Bernard Blier, who co-starred also in ...And Suddenly It's Murder! (1960), Una botta di vita (1988) and Il malato immaginario (1979).
Italian censorship visa # 52889 delivered on 17 December 1968.