Stephen Wallem is an American actor best known for his starring role as nurse Thor Lundgren in the dark comedy television series Nurse Jackie.
Wallem was born and raised in Rockford, Illinois, and worked as a stage actor and After Dark Award-winning cabaret singer in Chicago before moving to New York to make his television debut on Nurse Jackie.
National tours include Forever Plaid, Into The Woods and Scrooge with Richard Chamberlain. He accrued nearly 2,500 performances as both Jinx and Sparky in various companies of Forever Plaid, including Chicago, Las Vegas, Denver and the first national tour.
Wallem portrayed Judas/Padre in the Court Theatre's acclaimed production of Man Of La Mancha (After Dark Award for Outstanding Performance, Joseph Jefferson Award for Best Ensemble) and reprised his performance at the Long Wharf Theatre in New Haven.
For the Ravinia Festival, he appeared with Tony winners Patti LuPone, Audra McDonald, Michael Cerveris and George Hearn in A Little Night Music, Passion, Sunday In The Park With George and Doll with David Hyde Pierce (all directed by Lonny Price).
Wallem also originated the role of Arvid in the Broadway workshop of Kristina, written by Benny Andersson and Bjorn Ulvaeus of ABBA.