Open All Night is a 1934 British drama film directed by George Pearson and starring Frank Vosper, Margaret Vines, Gillian Lind, Geraldine Fitzgerald and Michael Shepley.

The film's sets were designed by the art director James Carter.

The film was produced as a quota quickie by Julius Hagen for distribution by RKO Pictures.

[2] It was later released in the United States under the alternative title Murder by Appointment.

Anton, a Grand Duke who was forced to flee Russia after the 1917 Revolution, now works as the night manager at Paragon House, a London hotel, where he puts his life on the line to help somebody else.