All part of the DW6 packs: Brigadier Lethbridge-Stewart, Captain Yates, Sergeant Benson, Trooper Advancing, Trooper Firing. There are several variants of the heads for the troopers.
Painter:
Richard Abbott
U.N.I.T
Brigadier Lethbridge-Stewart
Captain Yates
Sergeant Benson
Trooper Advancing - v1
Trooper Advancing - v3
Trooper Advancing - v4
Trooper Advancing - v6
Trooper Firing - v1
Trooper Firing - v4
Trooper Firing - v?