John Ford was an uncredited second unit director in the 1926 version directed by Raoul Walsh.
Jack Pennick was an acknowledged military expert and it's highly likely that he was a technical advisor on this movie even though he never received credit for being so. While filming a movie at West Point, he pointed out that a display of crossed swords were hung upside down. They had been incorrectly displayed for many years.
This version uses almost no dialogue from the original play and was initially intended to be a musical.
Barry Norton played the priest in the 1952 version and Lewistohn in the 1926 version.
Jack Pennick was also in the 1926 version.