One Mysterious Night 1944

Synopsis:

After a rare gem is stolen from an exhibition at a posh hotel, Inspector Farraday decides to recruit former thief Boston Blackie to find the stone. Along with his assistant, "The Runt", Blackie focuses his investigation on the hotel manager, George Daley, and his sister, Eileen. Through disguises and ruses, Blackie and the Runt try to trick their way to discovering the thieves.

Directed by: Budd Boetticher
Written by: Paul Yawitz & Jack Boyle
Runtime: 61 minutes
Tagline: What Happened to the Fabulous Diamond "Blue Star of the Nile"?...
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Cast:
Chester Morris
Chester Morris
Horatio 'Boston Blackie' Black 
Janis Carter
Janis Carter
Dorothy Anderson 
William Wright
William Wright
Paul Martens 
Richard Lane
Richard Lane
Inspector Farraday 
George E. Stone
George E. Stone
The Runt 
Robert B. Williams
Robert B. Williams
Matt Healy