Popsugar Beauty Celebrity Beauty The Story Behind Jack's Mustache on This Is Us Can You Believe Jack's Mustache Almost Wasn't Part of His Character on This Is Us? 27 August 2018 by Perri Konecky View On One Page Photo 1 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow Celebrity BeautyThis Is UsFacial HairMilo VentimigliaTV