The irony is, acting company is missing you, it's said? (5)
I believe the answer is:
trope
'acting company is missing you it's said?' is the definition.
I can't tell whether this defines the answer.
'the irony' is the wordplay.
'the' becomes 't' (the is pronounced as a 't' sound in some dialects).
'irony' becomes 'rope' (I can't justify this - if you can you should give a lot more credence to this answer).
't'+'rope'='TROPE'
'is' acts as a link.
Can you help me to learn more?
(Other definitions for trope that I've seen before include "Recurrent theme, motif" , "Figurative use of a word or expression; motif" , "metaphor, perhaps" , "Metaphorical use of a word or expression" , "Figure of speech - or pet (anag)" .)