Uschi Glas as Danny Fergusson

Hansjörg Felmy as Inspector Craig

Werner Peters as William Baxter

Harry Riebauer as Milton S. Farnborough

Siegfried Schürenberg as Sir John

Günther Stoll as Doctor Ellis

Petra Schürmann as Susan

Friedrich Schoenfelder as Anthony Wyman

Lyvia Bauer as Myrna Fergusson

Peter Neusser as Sergeant Simpson

Friedrich G. Beckhaus as Bordellbesitzer

Gerd Frickhöffer as Pennymaker

Ingrid Steeger as Kitty

Brigitte Skay as Maggy McConnor

Ivan Desny as Louis Stout

Vadim Glowna as David Armstrong

Evelyne Traeger as Witness in the brothel (uncredited)

Herbert Kerz as Warden at Baxter / Assassin (uncredited)

Günther Notthoff as Butcher (uncredited)