House by the River (dir. Fritz Lang, 1950).

Jane Wyatt and Louis
Hayward in The Luckiest
Girl in the World (1936)

An unbalanced writer (Louis Hayward) enlists his brother (Lee Bowman) to help him cover up the murder of a maid, but the brother finds himself accused of the crime, and the writer uses the murder to promote his book. Jane Wyatt costars. The film is directed by Fritz Lang and adapted from the novel of the same name (1921) by author and Member of Parliament A. P. Herbert.