Nicholas Alan Gehlfuss is an American actor, known for his starring role as Dr. Will Halstead in NBC's medical drama Chicago Med. He appeared as Robbie Pratt in the fourth season of Showtime's comedy-drama Shameless.
Bigby Wolf, formerly the Big Bad Wolf, is the Sheriff of Fabletown, a hidden community of fairytale characters located in 1980s New York City. He must solve a series of mysterious murders before everything collapses.
