The actor, who was best known for his work on Star Trek: The Next Generation, died at age 33 in January. While no other details have been released at this time, his band, P.R.O.B.L.E.M.S., announced his death on its Facebook page, writing, "It is with heavy hearts and saddened minds that we announce the passing of our dear friend and singer Jonny Jewels, AKA Jon Paul Steuer . . . We've lost our singer, but far, far more than that we've lost a friend. Rest in peace, Jonny...we love you."