Katrina Kaif has joined cast for Sandeep Reddy Vanga's directorial 'Spirit', starring Prabhas and Triptii Dimri, for a cameo role, Deccan Herald reported. This comes after Deepika Padukone quit the film after a fallout with the makers. Katrina Kaif isn't replacing Deepika and will have a special appearance at a critical point in the film, the report added.