An Australian woman arrives in London to search for her sister who she finds is involved with a heroin smuggling gang. The gang itself is under attack from an unknown rival, who is methodically assassinating them with a shot to the head.
Danny Fergusson
Inspector Craig
William Baxter
Milton S. Farnborough
Sir John
David Armstrong
Louis Stout
Doctor Ellis
Susan
Anthony Wyman
Myrna Fergusson
Sergeant Simpson
Bordellbesitzer
Pennymaker
Kitty
Maggy McConnor
Witness in the brothel (uncredited)
Warden at Baxter / Assassin (uncredited)
Butcher (uncredited)
