Dylan O'Brien had to wear a fake mustache to play Dan Aykroyd because their 'hair follicles didn't match'
"We shot [ Twinless] before Saturday Night, and that was not my mustache — that was a fake one," O'Brien said of the Saturday ...
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.