Cast hit with crisis on producing melodrama (11)
I believe the answer is:
histrionics
'melodrama' is the definition.
(thesaurus)
'cast hit with crisis on' is the wordplay.
'cast' indicates anagramming the letters.
'with' means one lot of letters go next to another.
'crisis'+'on'='crisison'
'hit' after 'crisison' is 'crisisonhit'.
'crisisonhit' anagrammed gives 'HISTRIONICS'.
'producing' is the link.
(Other definitions for histrionics that I've seen before include "Melodramatic behaviour" , "Attention-grabbing behaviour" , "play-acting" , "Overly-dramatic attention-seeking behaviour" , "Emotional display" .)