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.
as Danny Fergusson
as Inspector Craig
as William Baxter
as Milton S. Farnborough
as Sir John
as Doctor Ellis
as Susan
as Anthony Wyman
as Myrna Fergusson
as Sergeant Simpson
as Bordellbesitzer
as Pennymaker
as Kitty
as Maggy McConnor
as Louis Stout
as David Armstrong
as Witness in the brothel (uncredited)
as Warden at Baxter / Assassin (uncredited)
as Butcher (uncredited)
