- Edison Chen
- Edison
- Stephen Fung
- Match
- Sam Lee
- Alien
- Johnnie Guy
- Dr. Cameron
- Christy Chung
- Inspector Chung
- Anthony Chau-Sang Wong
- Dr. Tang
- Paul Rudd
- Ian Curtis
- Maggie Q
- Jane Quigley
- Eric Kot
- Dr. Lai
- Lik-Chi Lee
- Taxi driver
- Vincent Kok
- Dr. Wang
- Richard Sun
- Kurt Lee
- Ricardo Mamood-Vega
- Quincy
- Reuben Langdon
- Mike
- Jay Co
- Kurt's Henchman #1
- Gordon Leung
- Kurt's Henchman #2
- Dirk Rommeswinkel
- Donovan
- Skip Wilder
- RS-1
- Joey Tang
- Guard
- Snoop
- Yorke
- Ron Smoorenburg
- Fighter #1
- Jude Poyer
- Fighter #2
- Jeremy Ko
- Eddie
- Lawrence Brown
- Fighter #3
- Tony Trimble
- Fighter #4
- J. Paul Smith
- Stan
- Donald Yo
- Gangster
- Chi Fung Choy
- Hitman
- Peter Lawrence
- Insp. Sze
- King-Man Yip
- Inspector Ko
- Mark Hicks
- Ross Tucker
- Rachel Ngan
- Oli
- Hyper BB
- Peggy
- Robbie Iannone
- FBI Agent #1
- Brian Banowetz
- FBI Agent #2
- Marc Redmond
- FBI Agent #3
- Colin Hamilton
- FBI Agent #4
- Troy MacLachlan
- FBI Agent #5
- Sebastian Skiff
- FBI Agent #6
- Jason Sankey
- FBI Agent #7
- Peter Lukic
- FBI Agent #8
- Korey J. Cauchon
- IMC Technician #6
- Oli Pettigrew
- Kurt's Henchman #3
- Richard Tsui
- Inspector #1
- Andrew Hui
- Inspector #2
- Andy Ng
- Inspector #3
- Raymond Lee
- Seafood Seller
- Tat-Ming Cheung
- Lemon Fish
- Desmond O'Neill
- Vieri
- Pietro Morrone
- Kurt's Henchman #4
- Matthew Meersbergen
- Kurt's Henchman #5
- Daniel O'Neill
- Kurt's Henchman #6
- Felix Chong
- Center Person in Charge
- Memo Tanhan
- Buyer
- Teresa Herrera
- IMC Technician #1
- Trudy Cruise
- IMC Technician #2
- Oliver Worthington
- IMC Technician #3
- Daniel James Weber
- IMC Technician #4
- Dave Taylor
- IMC Technician #5
- Sachiko Fukumoto
- (uncredited)
- Bruce Khan
- Cop
- Sammuel Leung
- Cage Fight Guard
- Richard Newby
- Fighter
- Hyeon-jin Park
- Cop
