Hideyuki Umezu (梅津=秀行, Umezu Hideyuki)
Thomas Balou Martin (ep. 26)
Hendrik Stikan (ep. 32)
The narrator is a voice-only character who appears twice in the Death Note series.
The narrator plays no actual role in the series, and only appears twice to explain the events which occur during the three-year timeskip, describing the Japanese Task Force's lack of success with the case and Kira's rise and influence in the world.