NTSC/Region 0 Hong Kong pressing. During World War One an English poacher, an American adventurer and the latter's attractive young daughter, set out to destroy a German battle-cruiser which is awaiting repairs in an inlet just off Zanzibar. - Peter R. Hunt directed this World War I action-adventure, based upon the novel by Wilbur Smith. Roger Moore and Lee Marvin team up as Sebastian, a witty and cosmopolitan Englishman, and Flynn O'Flynn, a boozy and ornery Irish American, who decide to blow up a German battleship that has been hidden away for repairs in Southeast Africa. Helping the two in their quest to sink the battleship is Sebastian's wife Rosa (Barbara Parkins), who has her own reasons for seeing the ship is destroyed - the Germans took the life of her only child.