Hi Sergio. Welcome to the forum. Here are the officers, I'll starting looking for the NCOs I think there were some men from Lonsdale horse as well.
28th August " Chetewayo the Zulu King Captured by a Detachment of the King’s Dragoon Guards under Major Marter with Captains Gibbings, Godson, Lieuts. Alexander and Burney at 4.30 p.m. in the Ngome Forest and brought into Ulundi on the 1st Sept."