Richard Burton character Col. Allen Faulkner
Roger Moore character Lt. Shawn Fynn
Richard Harris character Capt. Rafer Janders
Hardy Krüger character Lt. Pieter Coetze
Stewart Granger character Sir Edward Matherson
John Kani character Sgt. Jesse Blake
Jack Watson character RSM Sandy Young
Frank Finlay character Fr. Geoghagen
Kenneth Griffith character Arthur Witty
Ronald Fraser character Sgt. Jock McTaggart
Barry Foster character Thomas Balfour
Winston Ntshona character Julius Limbani
Percy Herbert character Keith
Ian Yule character Tosh Donaldson
Glyn Baker character Esposito
Paul Spurrier character Emile Janders
Rosalind Lloyd character Heather
David Ladd character Sonny Martinelli
Jeff Corey character Mr Martin
Brook Williams character Samuels
Valerie Leon character 1st Girl Dealer
Leslie Schofield character Hitman
Jane Hylton character Mrs Marjorie Young
Sydney Chama character Clark
Ken Gampu character Alexander
Patrick Holt character Skyjacker
Terence Longdon character Anonymous Man
John Dennison character Matherson's Butler
Thomas Baptiste character Col. Mboya
Jules Walters character Mboya's Aide
Fred Bryant character Baronet Club Manager
Anna Bergman character Sonny's Girlfriend
Suzanne Danielle character Girl at party (uncredited)
Christopher Chittell character Philips (uncredited)