Sons of the Sea (film)

Sons of the Sea is a 1939 British color drama film directed by Maurice Elvey and starring Leslie Banks, Kay Walsh, Mackenzie Ward and Cecil Parker.

The film was made shortly before the outbreak of the Second World War, something explored in the themes of the film. Unusually for the time, it was made entirely in colour it was the only feature film to do so using the Dufaycolor process.

Source: Wikipedia