A better purpose for the ghost army in ROTK

[Rune Son of Bjarne]

Originally Posted by Rhun charioteer

I think overall the Pelennor fields battle worked on screen. Introducing the swan Knights and Imrahil would have confused movie audiences.

Yes, if they had only been introduced at that point.

I am actually quite fond of the passage in the book where Pippin and Bergil watch the reinforcements arrive. It gives the reader an idea of the structure of the Gondorian state, but also a sense of the peril and hopeless situation of Minas Tirith.