Who was that on the other end of the phone in last Sunday's episode of The Sopranos, as Tony's dream-y alter ego checked in with his wife? According to the New York Post, fans have made such guesses as Sopranos alums Drea de Matteo, Annabella Sciorra and Kathrine Narducci, but an HBO rep denies it was any of the above, advising the paper to fuhgeddabout IDing the actually not-so-famous voice.