Synonyms of stand-in

1 Syllable
dh
2 Syllables
dummy, ringer, fill-in, ingénue, proxies, standin, standby, ringers, actor, locum, second, double, backup, dummies, proxy, actors
3 Syllables
hambone, changeling, pinch-hitter, supplanter, mediary, assignee
4 Syllables
spokespersons, prolocutor, alternate, surrogate, temporaries, ventriloquist, spokespeople, succedaneum, understudy, look-alike, replacement, spokesperson, delegate