<p><br /> Tom Cruise has been in Prague looking for locations for his new film Mission Impossible 4.<br /> </p><p><br /> The Hollywood A-lister was joined by director Brad Bird and the two were spotted spending a lot of time at a castle where they repeatedly climbed a flight of stairs in the foyer.<br /> </p><p><br /> Prague Old Town is where Tom, 48, shot the first Mission Impossible movie in 1995, which was directed by Brian de Palma.<br /> </p><p><br /> Jonathan Rhys Meyers and Simon Pegg are rumoured to star opposite Tom in the fourth installment, due for release in December 2011.<br /> </p><p><br /> Other filming locations that have already been confirmed include British Colombia and Dubai.<br /> </p><p><br /> Tom was joined in Prague by his wife Katie Holmes and their daughter Suri.<br /> </p>
