Answer: standins

AnswerCrossword Clue
STANDINSReplacements
STANDINSSubs
STANDINSStunt doubles, e.g.
STANDINSProxies
STANDINSSubstitutes
STANDINSTemporary workers
STANDINSUnsung Hollywood heroes.
STANDINSWorkers on movie lot.
STANDINSSubstitutes.
STANDINSPinch hitters
STANDINSDoubles