Improv show's lack (6)
I believe the answer is:
script
(Other definitions for script that I've seen before include "Handwriting, play text" , "Person preparing text for film actors" , "Written form (of play etc)" , "letters" , "Dialogue" .)
I believe the answer is:
script
(Other definitions for script that I've seen before include "Handwriting, play text" , "Person preparing text for film actors" , "Written form (of play etc)" , "letters" , "Dialogue" .)