Regent's Square cat- on the right side of Scotland building's door.
Digmoore Station cat-Near the elevator to go back to Regent's Square.
Hyde Park cat- look around the greenhouse
Chelsea Court cat-Near the Chelsea Court tower where you find Baxter.
Ironworks cat-Go up the stairs behind Pops O' leary, and you will find it.
Scotland Yard Roof cat-Look near the entrance to Knight's Court.
Newgate Prison cat-it's where the prison ends.
Knight's Court cat-Near Doctor Xavior Xandros's(Jacques the Scratcher's) tower.
Katzenstein's Lab cat-Look to the right when you enter his Lab.
Big Ben- in one of the higher floors