Model Murder Case (aka Girl in the Headlines, 1963).

Laurence Payne,
in the British TV series
The Sandbaggers (1978)

A model is shot, and Inspector Birkett (Ian Hendry) and Sergeant Saunders (Ronald Fraser) are on the case. Jeremy Brett and Jane Asher co-star. The film is based on The Nose on My Face (aka The First Body, 1961), the mystery debut of actor-writer Laurence Payne (whose credits include Ben-Hur, Ill Met by Moonlight, and a long-time role as detective Sexton Blake).