Hidekatsu has done the following roles in anime.

Acrobanch	Tatsuya
Braiger	Narration
Captain Future [1978]	Mark Kalou
Captain Harlock	Narration
Cobra	Salamander
Crusher Joe	Maldorla
Danguard A	Ichimonji Dantetsu
Devilman	Zenon
Dragon Quest	Wizard Moore
Dragonball GT	Yi Shin Long
Ergo Proxy	Fussar
Future War 198X	Burt Gain
Gaiking	Dr. Daimonji
Galactic Patrol Lensman [1985]	Heinz
Galaxy Express 999	Kikai Hakushaku (Count Machine)
Gatekeepers [2000]	devil count
Gdleen	Karon
Great Mazinger	Kabuto Kenzou
Gundam	Degin Zabi
Guyver [1989]	Rihyalt Gyu
Guyver II	Gyuo
Hokuto no Ken	Kouryuu
Hokuto no Ken {Seikimatsu Kyuuseishu Densetsu}	Zeed
Hoshikuzu Paradise [1991]	Hojo Ken
Ideon	Ide
Kinnikuman {New York Kiki Ippatsu!}	Akuma Shougun
Kumo ni noru	Taishakuten
Legend of Galactic Heroes	Mucchenbelger
Mazinger Z	Baron Ashura
Mazinkaizer (OAV)	Baron Ashura (male)
Meitantei Conan (Detective Conan) {Episode 64}	Teraoka
Nichijou [2011] {episode 22}	narrator
Saint Seiya Omega [2012-2013]	Mars
Senki Zesshou Symphogear G [2013]	Shibata Masahito
Sin the Movie	Lorenzo Vitello
Space Warrior Baldios	Fuhrer Gattler
Tiger Mask [debut]	Mr. X
Toward Terra	Zel
Twinkle Heart	Ohgod
Umi no Triton	Minortas
Utsunomiko	En no Ozunu/Narration
Votoms	Wiseman
Windaria	Lanslo

Hidekatsu has done the following roles in games.

Langrisser I and II [Playstation]	Arlon
Majo Alisa no Monogatari [Windows]	Marx
Princess Frontier Portable [PSP]	King of Tranzania
Ryuu ga Gotoku 0: Chikai no Basho [PS3, PS4]	Niihara Takashi

Hidekatsu has done the following roles in audio drama.

Manyuu Hikenchou [CD]

Munenori