box from the chimney. She sneaks back up to the villa and tries to leave through the front door. Uncle Chan blocks her path. Her captors take her to the terrace and open the box. With the diamonds on the table they demand she sign the will. Then 'Ward' suggests they go for a swim. Mrs Whitman suggests they take a boat. Kim assumes they plan to drown her and runs into the house. Then Vargas arrives. She begs him to save her as the others have threatened to drown her. She thinks he will reveal the man to be an imposter but he says the fingerprints are a match for her brother. At this point Kim has a meltdown and starts saying that her brother has to be dead "because I killed him". She says she cut the brakes on his car and followed, to see him drive to his death off a cliff. Once she has made this confession it is revealed that "Ward" and Mrs Whitman were undercover police sent to find the missing diamonds and discover the truth behind the real Ward's death. Cast Richard Todd as Ward McKenzie Prescott Jr. Anne Baxter as Kimberley Prescott Herbert Lom as Inspector Vargas Faith Brook as Elaine Whitman Alexander Knox as Chandler Bridson Alan Tilvern as Carlos Thelma D'Aguilar as Maria Production The film was originally known as The Prescott Affair. The story was optioned by Dragon Films which belonged to the team of heiress Pamela Woolworth (niece of F.W. Woolworth) and Douglas Fairbanks Jr. who had made The Silken Affair. Dragon developed the story and script, assigning it to two TV writers David Osborn and Charles Sinclair. Roy Kellino originally was attached to produce and direct. David Niven was the first male star announced. Dragon obtained finance from the Associated British Picture Corporation (ABPC) who had a releasing arrangement with Warner Bros. The production company became known as Associated Dragon. ABPC's involvement saw director Michael Anderson and star Richard Todd come on to the project. The title was changed to Sleep No More, then Chase a Crooked Shadow and filming started in May 1957. Fairbanks Jr. said he was pressured to make a cameo in the film but refused. Some of the exteriors were shot in Tamariu and Palamos on the Costa Brava. The guitar music that forms a significant part of the soundtrack is played by