International terrorists attempt to kidnap a wealthy couple's child. Their plan comes unstuck, however, when a deadly Black Mamba, sent by mistake instead of a harmless snake, escapes and terrorizes both them and their hostages.
Jacques Müller (Jacmel)
Klaus Kinski
Dave Averconnelly
Oliver Reed
Cmdr. William Bulloch
Nicol Williamson
Dr. Marion Stowe
Sarah Miles
Howard Anderson
Sterling Hayden
Ruth Hopkins
Cornelia Sharpe
Philip Hopkins
Lance Holcomb
Louise Andrews
Susan George
David Ball
Michael Gough
Det. Constable Dan Spencer
Mike Gwilym
Lord Dunning
Edward Hardwicke
Sgt. Nash
John Forbes-Robertson
Cab Driver
Hugh Lloyd
Mrs. Loewenthal
Rita Webb
Sampson
Maurice Colbourne
Superintendent
Nicholas Donnelly
Constable
Ian Brimble
Peters
Alan Ford
Man in 17
Cyril Conway
Driver
David Sterne
Driver's Mate
Charles Cork
Airline Clerk
Eric Richard
Constable
Howard Bell
Williams
Norman Mann
Martin
Tony Meyer
Rogers
Michael Watkins
Smith
Gerard Ryder
Mr Mukerjee
Moti Makan
Susan Stowe
Katherine Wilkinson
Head Waiter
Arnold Diamond
Policeman (uncredited)
Pat Gorman
Woman in No.17
Sally Lahee
Workman (uncredited)
Eric Kent
Passer-by (uncredited)
Guy Standeven