Susumu Terajima (born in 1963) is a distinctive Japanese actor, known for his portrayal of tough characters, often affiliated with the yakuza or as figures of criminals and hard-boiled policemen. His acting style, characterized by a quiet intensity and penetrating gazes, has made him an iconic face of police and gangster cinema.

He is a frequent collaborator of directors like Takeshi Kitano, with whom he has worked on cult films such as *Sonatine* (1993), *Hana-bi* (1997), *Brother* (2000), and *Zatoichi* (2003). He has also collaborated with Takashi Miike, appearing in works such as the *Dead or Alive* trilogy and *Ichi the Killer* (2001). Terajima is appreciated for his ability to embody both loyalty and a sudden, contained violence, making him a pillar of Japanese auteur cinema.