Générique complet
When London Sleeps
Harold French
Tommy Blythe
FS
Francis L. Sullivan
Rodney Haines
Rène Ray
Mary
A. Bromley Davenport
Colonel Graham
AF
Alexander Field
Sam
Diana Beaumont
Hilda
BF
Ben Field
Lamberti
Herbert Lomas
Pollard
DB
David Butler
Doctor
Barbara Everest
Madame Lamberti
JK
James Knight
Garnett
HA
Harry Adnes
Jerry Balvern
HL
Henry B. Longhurst
Inspector Bradley
SW
Sam Wilkinson
Guy Renton
