 Davies ' first drafts of the Dalek invasion and the Shadow Proclamation were fundamentally different from their broadcast counterparts . Instead of hearing the Daleks ' repeated cry of " Exterminate " , Captain Jack and Sarah Jane reacted to the sight of Dalek saucers . One saucer would descend towards Whitehall , destroy Big Ben in transit , and assassinate the Prime Minister , Aubrey Fairchild . The Shadow Proclamation — defined in the script as an intergalactic police force that occupied a " huge installation , metal sci @-@ fi towers ranged across a series of linked asteroids , hanging in space , like a Roger Dean painting " — originally featured " every creature [ the revival of the show ] ever had " and a cameo by Blon Fel @-@ <unk> <unk> @-@ Day " Margaret Blaine " Slitheen ( Annette Badland ) as a <unk> ( a <unk> family ) toddler : 
