dialogistic

di·al·o·gist

D0195800 (dī-ăl′ə-jĭst, dī′ə-lô′gĭst, -lŏg′ĭst)n.1. A writer of dialogue.2. One who speaks in a dialogue.
di′a·lo·gis′tic (dī′ə-lə-jĭs′tĭk), di′a·lo·gis′ti·cal adj.