The story of Captain Richard Francis Burton's and Lt. John Hanning Speke's expedition to find the source of the Nile river in the name of Queen Victoria's British Empire.
Not streaming on a subscription service in the US right now.
Starring Patrick Bergin, Iain Glen, Richard E. Grant, Fiona Shaw, John Savident, James Villiers, Adrian Rawlins, Peter Vaughan, Delroy Lindo, Bernard Hill