The Partner is a 1963 British film directed by Gerard Glaister and starring Yoko Tani, Guy Doleman and Ewan Roberts.

It seems that the motive for the murder was a large sum of money which Briers was holding as part of a tax-avoidance scheme for Douglas.

Douglas's wife Helen has hired private detective Richard Webb to investigate the affair she believes her husband is having with Lin.

The Monthly Film Bulletin wrote: "A routine whodunnit which lacks any sort of suspense or excitement, and is much too talkative.

There are numerous shots of Merton Park Studios, where "W. D. Productions" are presumed to operate.