Trouble about Director and lead actor making early beginning (4,5)
I believe the answer is:
head start
'early beginning' is the definition.
'trouble about director and lead actor' is the wordplay.
'trouble' becomes 'heat' (I am not sure about this - if you are sure you should believe this answer much more).
'about' indicates putting letters inside.
'director' becomes 'd'.
'and' is a charade indicator (letters next to each other).
'lead actor' becomes 'star' (I've seen this before).
'd'+'star'='dstar'
'heat' placed around 'dstar' is 'HEAD START'.
'making' acts as a link.
Can you help me to learn more?
(Other definitions for head start that I've seen before include "Boost?" , "An early advantage for the star ad" , "Substantial initial advantage" , "A good beginning using one's loaf" , "'The advantage of beginning ahead of others (4,5)'" .)