
Quick answer — Naoki Makishima voices Anthony Kostabi in Last Exile, Mughi in Dirty Pair, Nanmo in Dirty Pair and 3 more characters.
Naoki Makishima voices Anthony Kostabi (Last Exile), Mughi (Dirty Pair), Nanmo (Dirty Pair), Manzou (Samurai 7), Ekoda (Speed Grapher), Tanaka (SPRIGGAN).
Anthony Kostabi is voiced in Japanese by Naoki Makishima.