Randall and Hopkirk (Deceased) - 04 - Never Trust a Ghost

Two enemy agents murder a senior British Secret Service official and his wife and act as their impostors in their own home to steal important documents.
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Randall and Hopkirk (Deceased) is a British private detective television series, starring Mike Pratt and Kenneth Cope respectively as the private detectives Jeff Randall and Marty Hopkirk. The series was created by Dennis Spooner and produced by Monty Berman, and was first broadcast in 1969 and 1970. In the United States, it was given the title My Partner the Ghost.

ITC Entertainment produced a single series of 26 episodes in 1968 and 1969, which was aired from September 1969 to March 1970. The pilot episode was first broadcast in the United Kingdom on 19 September 1969 by ATV in the Midlands. London Weekend Television broadcast the pilot two days later on 21 September 1969.