Randall and Hopkirk (Deceased) (1969)

Murder Ain't What It Used to Be! (1x7)

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Paul Kirstner, a long-time underworld figure, arrives in London from America with a good deal of baggage in tow, including the ghost of his one-time partner, Bugsy Spanio. Kirstner, responsible for Bugsy's death 35 years earlier, hires Jeff to look after his daughter. Bugsy, meanwhile, tries to force Marty into getting Jeff to kill Kirstner in retaliation for what Kirstner did to Bugsy.