The Private Eyes 1980

Synopsis:

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.

Directed by: Lang Elliott
Written by: Tim Conway & John Myhers
Release date: 1980-04-17
Runtime: 91 minutes
Tagline: Who better to solve England's most puzzling mystery than these two international crime busters?
Cast:
Don Knotts
Don Knotts
Inspector Winship 
Tim Conway
Tim Conway
Dr. Tart 
Trisha Noble
Trisha Noble
Mistress Phyllis Morley 
Bernard Fox
Bernard Fox
Justin 
Grace Zabriskie
Grace Zabriskie
Nanny 
John Fujioka
John Fujioka
Mr. Uwatsum