We are having more trouble than usual and need your help.
24D.
Unwelcome intruder 6, 2, 3, 4 C???O? I? T?? ?E??
30A.
Implied without being said 5 T???T
44D.
(Of a drug's effect) lose effectiveness with time 4,3 W??? O??
48A.
Unreliable or hearsay (account) 9 ??????T?L
49D.
Stage scenery 5 ??C??
56A.
Like many low-calorie foods 3-4 [No letters except the last letter of the second word appears to be E]
Many thanks to all of you.