Holiday collection 92

Can anyone assist me please?
9d celebrity battles to appear in multi award winning film 4-4 s?a? ??r? Star part?
26a assigned post in broadcasting building 7 ?t?t?o? Station?
36d removed obstacles when granted authorisation 7 c?e?r??
46a fat chance of finding pine needle 4-4 l?n? s?o? Long shot?
48a man has party with nothing as back-up instruments 8 ?o???l?n no idea on that one
Thank you Beverley.