Kazuo Hayashi (林 一夫, Hayashi Kazuo, born October 17, 1945) is a Japanese actor and voice actor from Tokyo. He is affiliated with Theater Echo, and is skilled in Buyō.

• Ippotsu Kanta-kun (Kōzan)
• Space Runaway Ideon (Gije Zaral)
• Pokémon (Russell)
• Space Battleship Yamato II (Yasuo Nanbu)
• Space Battleship Yamato III (Yasuo Nanbu)
• Stellvia of the Universe (Tamotsu Kazamatsuri)
• Cardcaptor Sakura (Clow Reed)
• Saint Seiya (Hound Asterion)

• Legend of the Galactic Heroes (Horst Sinzer)

• Armageddon (Rockhound (Steve Buscemi))^[1]
• Prison Break (Brad Bellick (Wade Williams))
• There Will Be Blood (Fletcher Hamilton (Ciarán Hinds))
• West Side Story (1979 TBS edition) (Loco (Jaime Rogers))^[2]

• Kamen Rider Amazon (Spider Beastman (ep. 1), Snake Beastman (ep. 7), Diving Beetle Beastman (ep. 16))
• Kamen Rider Stronger (Kikkaijin Hasamigani(ep. 24) )
• Choudenshi Bioman (Bio Hunter Silva (ep. 37 - 49))
• Gekisou Sentai Carranger (SS Pamaan (ep. 24)/Zoku Red (ep. 24))
• Seijuu Sentai Gingaman (Sword General Budoh (eps. 1 - 24))
• Kyuukyuu Sentai GoGo-V (Computer Psyma Beast Cybergildo (ep. 14) )

• Peter Pan's Flight (Nana)

• Theater Echo profile
• Kazuo Hayashi at Anime News Network's encyclopedia