Movie Description
Shout at the Devil is a 1976 British war adventure film directed by Peter R. Hunt and starring Lee Marvin and Roger Moore. The film, set in Zanzibar and German East Africa in 1913?1915, is based on a novel by Wilbur Smith which is very loosely inspired by real events (see the sinking of the SMS Konigsberg). The supporting cast features Barbara Parkins and Ian Holm.
(Summary from Wikipedia)