articulator
alliterator
asker
babbler
caller
caller-up
chatterbox
chatterer
conversationalist
conversationist
dictator
drawler
driveller
ejaculator
enquirer
growler
informant
inquirer
jabberer
lecturer
lisper
magpie
mentioner
motormouth
mumbler
murmurer
mutterer
narrator
native speaker
orator
phoner
prater
prattler
public speaker
querier
questioner
ranter
raver
reciter
rhetorician
schmoozer
speechifier
speechmaker
spouter
stammerer
stentor
story-teller
stutterer
talking head
telephoner
teller