Wealthy widow Mrs. Bramson notices that her maid is distracted, and when she learns the girl's fiancé, Danny, is the reason, she summons him in. Mrs. Bramson's niece Olivia takes a liking to Danny, and comes to believe that he may have been involved in the disappearance of a local woman.

Robert Montgomery
as Danny

Rosalind Russell
as Olivia Grayne

May Whitty
as Mrs. Bramson

Alan Marshal
as Justin Laurie

Merle Tottenham
as Dora Parkoe

Kathleen Harrison
as Emily Terence

Matthew Boulton
as Inspector Belsize

Beryl Mercer
as Saleslady

E. E. Clive
as Guide

Eily Malyon
as Nurse
John Chard
You'll be the death of me. You really will. Night Must Fall is directed by Richard Thorpe and adapted to screenplay John Van Druten from the Emlyn Williams play. It stars May Whitty, Robert Montgomery, Rosalind Russell, Merle Tottenham, Alan Marshal, Matthew Boulton and Kathleen Harrison. Music ...