Susumu Chiba (千葉 進歩, Chiba Susumu) is a Japanese voice actor. He is contracted with Office Osawa Co. Ltd. Progress is an alias of Chiba Susumu for adult games and anime.
Ultra Maniac OVA
Gintama: The Movie
Gintama: The Very Final
Cutie Honey Flash: The Movie
Gintama on Theater 2D: Baragaki-hen
Labyrinth of Flames
Astro Boy: Mighty Atom – Visitor of 100,000 Light Years, IGZA
Arisa☆Good Luck
