Dylan O'Brien had to wear a fake mustache to play Dan Aykroyd because their 'hair follicles didn't match'
Shortly before Saturday Night hit theaters last October, O'Brien told EW that he had his doubts about his physical ...
Dylan O’Brien Unpacks Dual Role Challenge in Dark Comedy ‘Twinless’ | Video
Actor Dylan O'Brien revealed the careful preparation behind his dual performance in "Twinless" at TheWrap's Sundance Studio.