Duval investigates the theft of a valuable old master from the collection of Sir Isaac Spendler.
Robert Banks Stewart
Writer
C.M. Pennington-Richards
Director
James Kelly
Editor
Charles Korvin
Inspector Paul Duval
Michael Goodliffe
Wolf Barstrom
Moira Redmond
Nina
Ernest Clark
Inspector MacAndrew
Leslie French
Pimm
Frederick Leister
Sir Isaac Spendler
Edwin Richfield
Inspector Jean Mornay