International terrorists attempt to kidnap a wealthy couple's child. Their plan comes unstuck when a deadly Black Mamba, sent by mistake instead of a harmless snake, escapes and the terrorists and several hostages are trapped in the boy's London home.
Klaus Kinski
Oliver Reed
Nicol Williamson
Sarah Miles
Sterling Hayden
Cornelia Sharpe
Lance Holcomb
Susan George
Michael Gough
Mike Gwilym
Edward Hardwicke
John Forbes-Robertson
Hugh Lloyd
Rita Webb
Maurice Colbourne
Nicholas Donnelly
Ian Brimble
Alan Ford
Cyril Conway
David Sterne
Charles Cork
Eric Richard
Howard Bell
Norman Mann
Tony Meyer
Michael Watkins
Gerard Ryder
Moti Makan
Katherine Wilkinson
Arnold Diamond
Pat Gorman
Sally Lahee
Eric Kent
Guy Standeven