Two mages, a technomancer, and a street samurai should be able to handle most anything. They could use a rigger and a face, but those are really secondary roles anyway.
It also sounds like the name of a sitcom. "Tonight on NBS: Two Mages, a Technomancer, and a Street Samurai. While on a run in Neo-Tokyo, the gang have to go undercover as anime characters! Hilarity ensues. Brought to you by the all-new 2073 Ares Humvee Civic: Now You're Driving With Power!™"