Kazuhiko appears (sings/talks) in the following miscellaneous CDs.

1989.10.25	B Gata Doumei Drama Album (KTCR-1121)	Talk
1990.06.01	Gall Force Earth Chapter Back to the school wars (POCH 2004)	Talk
1991.07.??	Shuueisha CD book Den'ei Shoujo Video Girl Ai	Talk
1991.08.01	Lodoss Tou Senki 4 (KC-047)	Talk
1991.12.21	Ranma 1/2 Kakutou Karuta	Song
1992.02.21	Shinsengumi Ibun Aoki Ookamitachi no Shinwa 2 (VICL-274)	Talk
1992.10.28	92 Seiyuu Graffiti	Song
1993.01.09	Lodoss Tou Senki 5 (KC-048)	Talk
1993.05.21	Shinsengumi Ibun Aoki Ookamitachi no Shinwa Ongaku Special (VICL-5202)	Talk
1993.12.23	Lodoss Tou Senki 6 (KCAN-1018)	Talk
1994.09.22	Earthian Volume 2 (PICA-1047)	Talk
1995.03.00	Rurouni Kenshin CD Book 2 (SCD-117)	Talk
1995.06.25	Emerald Dragon vol 1 (PSCR-5383)	Talk
1995.07.26	Emerald Dragon vol 2 (PSCR-5391)	Talk
1995.08.25	Emerald Dragon vol 3 (PSCR-5399)	Talk
1995.09.25	Emerald Dragon vol 4 (PSCR-5410)	Talk
1996.09.21	Seikimatsu Darling II (MMCM-2603)	Talk
1996.11.26	Blue Seed Too (KICA-326)	Talk
1997.01.15	Zeiram Zone Remix Fight (PHCL-5049)	Talk
1997.05.21	Voice Actor Best Song Collection 90 (APCM-5101)	Song
1997.05.21	Voice Actor Original Drama Collection I (APCM-5102)	Talk
1997.05.21	Voice Actor Original Drama Collection II (APCM-5103)	Talk
1997.09.01	Seikimatsu Darling III (MMCM-3002)	Talk
1999.05.08	Tales of Fantasia drama CD 1 (MACM-1043)	Talk
1999.06.05	Tales of Fantasia drama CD 2 (MACM-1044)	Talk
1999.07.10	Tales of Fantasia drama CD 3 (MACM-1045)	Talk
2000.06.21	Rokumon Tengai Mon Colle Knight Collection Side ()	Song
2002.03.22	Harukanaru Toki no Naka de Shishin Mini Album [Byakko] (KECH-1204)	Talk
2002.03.22	Harukanaru Toki no Naka de Shishin Mini Album [Genbu] (KECH-1205)	Talk
2006.02.22	Super Robot Spirits Original Theme Song 2 (BSCH-30044)	Song
2008.11.07	Shining Force Exa Drama CD (VGCD-0156)	Talk