Yūji Machi

is a Japanese voice actor who is the voice of Ultraman Tiga as well as the voices of Appule and Daizu in Dragon Ball Z. His real name is , and he works for Aoni Production.

He is also the Japanese voice of Tommy Oliver in '.

• Legend of the Galactic Heroes (1991) (Drewentz)
• Doomed Megalopolis (1991) (Disciple A)
• ' (1993) (Meuron)
• Phantom Quest Corp. (1994) (Sano)

Theatrical animation

• ' (1990) (Daizu)
• ' (1991) (Soldier)
• Slam Dunk: Conquer the Nation, Hanamichi Sakuragi! (1994) (Tomokazu Godai)
• ' (2010) (Masaki Mizukawa)

• Street Fighter EX3 (2000) (Ace)
• ' (2007) (Appule)

Tokusatsu

• Ultraman Tiga (1996) (Ultraman Tiga)
• Ultraman Dyna (1997) (Narrator)
• Ultraman Retsuden (2011) (Narrator)

Dubbing roles

• Ghostbusters II (1992 Fuji TV edition) (Egon Spengler (Harold Ramis))
• Kansas (Wade (Andrew McCarthy))
• ' (Tommy Oliver/White Power Ranger (Jason David Frank))
• Mystery Date (James Lew (BD Wong))
• ' (Jimmy Olsen) (Michael Landes))
• Nine Months (Arnie (Charles Martinet))
• Seven (1998 Fuji TV edition) (Detective Mills (Brad Pitt))
• ' (Nuka)
• The Shawshank Redemption (Tommy Williams (Gil Bellows))
• Young Guns II (1995 Fuji TV edition) ('Arkansas' Dave Rudabaugh (Christian Slater))