Sam Steele and the Junior Detective Agency
Love & Mercy
Equity
Butterfly in the Typewriter
Rizzoli & Isles
Chicago Med
The Mystery of Matter: Search for the Elements
Constantine
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.
