The Private Eyes ( Also Known As: Detectives casi privados) is a Comedy Mystery film directed by Lang Elliott and written by Tim Conway, John Myhers. It released on 17 April 1980 (USA). The film stars Tim Conway, Don Knotts, Trisha Noble. This spoof of the Sherlock Holmes stories finds Inspector Winship and Dr. Tart investigating a strange death in a possibly haunted mansion, while dealing with the beautiful heiress and the crazed staff which live therein.