11 across
Each
prior
show
to
begin
with
cast
(10)
Each prior show to begin with cast (10)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
The definition is cast, cluing a group of actors in a production. You're building the answer from each giving PER, prior giving FORMER, and show to begin with plucking off that initial S.