1944 film by Robert Siodmak
Phantom Lady is a 1944 American film noir directed by Robert Siodmak and starring Franchot Tone, Ella Raines, and Alan Curtis. Based on the novel of the same name by Cornell Woolrich (writing as "William Irish"), it follows a young Manhattan secretary and her endeavors to prove that her boss did not murder his wife.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.