Nathan Stephenson: Nathan Stephenson. Actor: Radio Free Roscoe. Nathaniel began acting when he was very young, doing small roles in community musical theatre productions like that of Judah in Joseph and the Amazing Technicolor Dream Coat. When he finally did slip into the film and television industry, he landed a lead role on YTV's System Crash. From there he went on to play Robbie (a.k.a. Question Mark) in the popular series Radio Free...
Known For: Radio Free Roscoe (Question MarkRobert 'Robbie' McGrath), Degrassi: The Next Generation (Griffin(as Nathaniel Stephenson)), Alphas (Bip), Warehouse 13 (Grad Student #2)