Justine Magnusson began acting at the age of six, playing in community theatre productions in Northwest New Jersey. At the age of sixteen she was cast in the National Tour of Andrew Lloyd Webber's Whistle Down the Wind.
Justine earned her BFA in Acting from New York University's Tisch School of the Arts. Upon graduation, she co-produced, wrote and directed The True North Project and acted in several independent films. Justine went on to perform in shows at the New York Musical Festival, and to develop new roles at the Eugene O'Neill Theatre Centre with writers including Urinetown's Greg Kotis and Mark Hollmann. She originated the role of Sue in the world premiere of Home Street Home by NOFX frontman Mike Burkett and Avenue Q writer Jeff Marx.
Justine is a resident actor and company member at the Mountain Playhouse in Western PA. She most recently played Nellie Ewell in Summer and Smoke at the MS Delta Tennessee Williams Festival. Justine also served as the festival's music supervisor, and composed original music and arrangements inspired by the plays of Tennessee Williams.
Justine is currently developing her first play.