• 
  Andy Lau

  Bo
• 
  Xiaoming Huang

  Ho
• 
  Cho-lam Wong

  Amon
• 
  Nana Ou-Yang

  Karen
• 
  Teng Shen

  K
• 
  Philippe Joly

  Killer
• 
  Harry Oram

  Mercenary
• 
  Mike Leeder

  Jake

• 
  Fredrik Yderström

  Gentleman
• 
  Semiquaver Iafeta

  Elwood
• 
  Litalien Janik

  Mercenary
• 
  Sean Tierney

  Mercenary
• 
  Sammi Cheng

  Mrs. Hung (Cameo)
• 
  Bo-Bo Fung

  Mama Huo
• 
  Woo Yin

  Phoenix (as Michelle Hu)

• 
  Lerian Freitas

  Mercenary