"It was always coming off and getting in my mouth," the actor says of his "Saturday Night" facial hair. Dylan O'Brien's onscreen looks have only gotten hairier since his Teen Wolf days, but all ...

Actor Dylan O’Brien revealed the careful preparation behind ... though O’Brien revealed that while his facial hair in “Twinless” is real, his mustache for his role as a young Dan Aykroyd ...

Dylan O’Brien reveled in the process of playing dual ... Once the process kicks into full gear with costumes, hair and makeup and the things that [director] James [Sweeney] and I discussed ...

Dylan O'Brien's onscreen looks have only gotten hairier ... When asked if he preferred sporting his own facial hair rather than a fake mustache, O'Brien admitted, "I'm a little biased, but yeah.

"We shot [ Twinless] before Saturday Night, and that was not my mustache — that was a fake one," O'Brien said of the Saturday Night Live biopic. "They made me wear a fake one for Aykroyd because they ...