She Played with Fire (aka Fortune Is a Woman, 1957).

Illustration of
Jack Hawkins, ca. 1958

Reuniting with a former girlfriend (Arlene Dahl) means arson, blackmail, and murder for insurance investigator Jack Hawkins in She Played with Fire, another product of the team of Frank Launder and Sidney Gilliat, who adapted the novel by Winston Graham (Marnie, Poldark). Gilliat also directs. Costars include Ian Hunter, Bernard Miles, and Christopher Lee.