The lord and lady of a capacious manor are killed, and the lord's ghost seems to have returned to knock off the staff one by one, causing Inspector Winship and Dr. Tart to investigate the wacky house and its inhabitants. Don Knotts, Tim Conway, Trisha Noble, Bernard Fox, Grace Zabriskie, John Fujioka, Irwin Keyes Added on Amazon Prime 2023-07-25.