Under the Frozen Falls is a 1948 British children's film directed by Darrell Catling and starring Harold Warrender, Jacques Brown and Ray Jackson. The original screenplay was written by Mary Cathcart Borer as a film for children. It was later adapted as a book by J. H. Martin Cross. The film was one of the four of David Rawnsley's films that used his "independent frame" technique, a form of back projection. Premise A party of boys collect lead from a disused lead mine in Somerset, for model making. They become involved with the kidnappers of a distinguished scientist. Lost secret plans and misadventures with dynamite add a thrill to the story. Cast Harold Warrender as Mr. Carlington Jacques Brown as Professor Bell-Wrighton Ray Jackson as David Roseby Peter Scott as Bob Tony Richardson as Peter Claude Hulbert as Riley Ivan Brandt as Thompson Mary Kerridge as Mrs. Roseby Michael Dear as Jim Alexander Field as Keeper of Toyshop References External links 1948 films British black-and-white films 1940s children's films British children's films 1940s children's adventure films British children's adventure films Films produced by Donald Wilson (writer and producer) Films about kidnapping Films set in Somerset Films shot at Station Road Studios, Elstree 1940s English-language films 1940s British films