This should be (relatively) easy compared to the rest! I will add them as I go along. Others can add to the bottom or edit this post to add to it.
Front Row: Rev Balleine - Capt Worthington - Capt Walker - Capt Greg - Major Comyn - Lt & QM Ball - LtCol Ledward - BrigGen Westropp - LtCol Crawford - Capt & Adjt Sotham - Capt ?? - Capt ?? - Capt ?? - Capt ?? - Capt ?? - Lt & MO Fletcher
Middle Row: ?? - ?? - ?? - ?? - ?? - 2Lt Philips - ?? - ?? - ?? - ?? - ?? - ?? - ?? - ?? - ??
Back Row: 2Lt Dyer - 2Lt Gibbon - 2Lt Elstob - ?? - ?? - 2Lt Davidson - ?? - ?? - ?? - 2Lt Megson - ?? - ?? - ??