Both Nicola Ruoppolo (Lino Banfi) and Paolo Casalotti (Paolo Villaggio) have here different wives than in I pompieri (1985), where they were played respectively by Moana Pozzi and Paola Tiziana Cruciani.
The scene of the flooding was filmed on the Lake Bracciano, near Rome. The roofs of the houses were recreated inside of the lake.
The plot reminds the one of Sorcerer (1977), itself based on Le salaire de la peur (1953).
Andrea Roncato, already present in I pompieri (1985), declined to reprise his role of foreman Armando Bigotti in the sequel because already working in Il lupo di mare (1987). The new foreman became then Nicola Ruoppolo (Lino Banfi).
Claudio Boldi, brother of Massimo Boldi, plays the role of a greengrocer. In I pompieri (1985) he played a TV journalist.