
- Country: USA
- Genres: Crime, Drama, Mystery
- Release: 1944-10-21
- Director: Budd Boetticher
- Writers: Jack Boyle , Paul Yawitz
- Language: English
- Stars: Chester Morris , Janis Carter , William Wright , Richard Lane
- Runtime: 61 min
- Awards: N/A
- AKA: One Mysterious Night , Boston Blackie's Appointment with Death (United States of America) , Una noche misteriosa (Mexico) , O Diamante Roubado (Portugal, Portuguese Republic) , One Mysterious Night (United States of America) , Behind Closed Doors (United Kingdom) , O Caso do Diamante Azul (Brazil)
- Plot: Blackie is enlisted by the police to help recover the Blue Star of the Nile diamond, stolen from a war relief exhibit.
- IMDB:tt0037153
One Mysterious Night Cast · · · ALL

Budd Boetticher
Director

Chester Morris
Horatio 'Boston Blackie' Black

Janis Carter
Dorothy Anderson

William Wright
Paul Martens

Richard Lane
Inspector Farraday

George E. Stone
(I)
(1903–1967)
The Runt

Robert B. Williams
Matt Healy

Mark Roberts
George Daley

Dorothy Malone
Eileen Daley (Uncredited)

Joseph Crehan
Jumbo Madigan (Uncredited)

Ben Taggart
Traffic Cop (Uncredited)

Minerva Urecal
Miss Wilkinson (Uncredited)

Constance Purdy
Woman in Daley's Office (Uncredited)
Kenneth Brown
Boy (Uncredited)
Early Cantrell
Margaret Dean (Uncredited)
Lew Davis
Exhibit Attendee (Uncredited)
Edythe Elliott
Mother (Uncredited)
Jack Gardner
Frank (Uncredited)
Fred Graff
Reporter (Uncredited)
Harrison Greene
Arthur Manleder (Uncredited)
Fred Howard
Reporter (Uncredited)
Dick Jensen
Policeman (Uncredited)
Henry Jordan
Reporter (Uncredited)

Edward Keane
Police Commissioner Howard (Uncredited)

Lyle Latell
Detective Sergeant Matthews (Uncredited)
Billy Lenhart
Boy (Uncredited)