Thrills and suspense abound in this crackling good tale of political espionage, intrigue and murder! Featuring a first-rate cast that includes Rod Taylor (Darker Than Amber), Christopher Plummer (Murder by Decree), Lilli Palmer (Hard Contract), Camilla Sparv (Dead Heat on a Merry-Go-Round), Daliah Lavi (The Silencers), Clive Revill (Modesty Blaise), Calvin Lockhart (Cotton Comes to Harlem), Derren Nesbitt (Where Eagles Dare), Burt Kwouk (A Shot in the Dark) and Franchot Tone (Advise & Consent). Aussie detective Scobie Malone (Taylor) accepts a mission to fly to London to arrest Sir James Quentin (Plummer), a high-level Australian commissioner wanted down under for murder. But when Malone arrives, he finds that the amiable Quentin is not only the key in groundbreaking peace negotiations, but also the target of an assassin himself! His mission hopelessly changed, Malone must find a way to escort and protect Quentin while routing out this new enemy... or face deadly international consequences. Shot by Ernest Steward (Deadlier Than the Male), edited by Ernest Hosler (On Her Majesty's Secret Service), music by Georges Delerue (The Day of the Dolphin) with a screenplay by Wilfred Greatorex (Battle of Britain) and direction by Ralph Thomas (The Assassin) - The High Commissioner will exhilarate you!