to the villa by telling her that he has found his wife's suicide note and has asked the police Inspector to come over as well. He 'reads' Madge's suicide note to Candy and encourages her to drink a drugged glass of milk; by the time she realises that he has made up the story she is too drowsy and Decker continues to carry out his plan, hiding under the floorboards and the rug as before. This time however Wilson and Jean arrive in time and rescue Candy, although they refuse to believe her story that Decker was trying to kill her, believing her to be unbalanced following her mother's death. She insists that they search the room thoroughly, including moving a heavy cabinet out from the wall, but finally agrees to leave with them. As they leave Decker attempts to come out from his place of concealment, but the cabinet is now over the rug and he can't get out. Candy decides to go back one more time to the room, where she hears Decker calling out for help, and realises what has happened. She leaves him there and at first goes off with Wilson and Jean, leaving Decker to suffocate slowly, but changes her mind and tells the police Inspector to go up to the room in order to solve the case. Cast Peter van Eyck - Paul Decker Betta St. John - Jean Edwards Mandy Miller - Candy Brown Grégoire Aslan - Inspector William Franklyn - Wilson Marie Burke - Daily Woman Irene Prador - French Woman Henri Vidon - Italian Gardener Armand Guinle - Waiter Robert Rietti - Station Sergeant David Ritch - Hotel Clerk John Holmes' dog Flush - Toto Production In the book Hammer Films: An Exhaustive Filmography, director Green recalled working on The Snorkel with producer Michael Carreras, whom he called "...very cooperative, as well as a delightful person to be with, and very much responsible for making the film a most pleasant experience. He and I had a great time casting the smaller roles." The film was the first starring vehicle for actress Mandy Miller; Green described her as "...a natural talent and a very professional girl, but a bit too mature for the part, and all our efforts failed to disguise this." Of star Peter van Eyck, Green said that "he had to do a lot of difficult swimming and, one day