A dialect coach is a person who helps actors or public speakers learn to speak in the accent or way of speaking of a particular region or group of people. Full definition
Boseman is willing to share what he put into creating the character for the screen in «Civil War,» from working with two dialect coaches on T'Challa's Wakandan accent to studying various martial arts for Panther's stealthy, catlike fighting style. (seattletimes.com)
Across these, we hear from Waititi, executive producer Brad Winderbaum, producer Kevin Feige, dialect coach Andrew Jack, screenwriter Eric Pearson, visual effects supervisor Jake Morrison, costume designer Mayes C. Rubeo, production designer Dan Hennah, comic writer Walt Simonson, and actors Chris Hemsworth, Anthony Hopkins, Mark Ruffalo, Cate Blanchett, Jeff Goldblum, Tom Hiddleston, Tessa Thompson, and Karl Urban. (dvdmg.com)
and Horrible Bosses 2, filed for divorce from Hollywood dialect coach Cynthia... (contactmusic.net)