<Li> Hoot Gibson as Sgt . Brown </Li> <Li> Jack Pennick as Sgt . Maj. Mitch Mitchell (uncredited) Senior member of John Ford's Stock Company . </Li> <P> Exterior scenes were filmed in Natchitoches Parish, Louisiana, along the banks of Cane River Lake, and in and around Natchez, Mississippi . The film company built a bridge over the Cane River for the pivotal battle scene, and many locals were hired as extras . </P> <P> The project was plagued from the start by cost overruns, discord, and tragedy . Holden and Ford argued incessantly . Wayne was preoccupied with pre-production logistics for The Alamo . Lukey's dialog was originally written in a stereotypic "Negro" dialect that Althea Gibson, the former Wimbledon and U.S. National tennis champion who was cast in the role, found offensive . She informed Ford that she would not deliver her lines as written . Though Ford was notorious for his intolerance of actors' demands, he agreed to modify the script . </P>

Where was the filming location for the horse soldiers