 | Christian Bale als Patrick Bateman |
 | Willem Dafoe als Detective Donald Kimball |
 | Jared Leto als Paul Allen |
 | Josh Lucas als Craig McDermott |
 | Samantha Mathis als Courtney Rawlinson |
 | Matt Ross als Luis Carruthers |
 | Bill Sage als David Van Patten |
 | Chloë Sevigny als Jean |
 | Cara Seymour als Christie |
 | Justin Theroux als Timothy Bryce |
 | Guinevere Turner als Elizabeth |
 | Reese Witherspoon als Evelyn Williams |
 | Krista Sutton als Sabrina |
 | Reg E. Cathey als Al |
 | Anthony Lemke als Marcus Halberstram |
 | Stephen Bogaert als Harold Carnes |
 | Monika Meier als Daisy |
 | Blair Williams als Waiter #1 |
 | Marie Dame als Victoria |
| Kelley Harron als Bar Girl |
| Patricia Gage als Mrs. Wolfe |
 | Landy Cannon als Man at Pierce & Pierce |
| Park Bench als Stash |
 | Catherine Black als Vanden |
| Margaret Ma als Dry Cleaner Woman |
 | Peter Tufford Kennedy als Hamilton |
| Mark Pawson als Humphrey Rhineback |
| Jessica Lau als Facialist |
| Lilette Wiens als Maitre Dí |
| Glen Marc Silot als Waiter |
| Charlotte Hunter als Libby |
| Kiki Buttignol als Caron |
| Joyce R. Korbin als Woman at ATM |
| Reuben Thompson als Waiter #2 |
 | Bryan Renfro als Night Watchman |
 | Ross Gibby als Man Outside Store |
| Christina McKay als Young Woman |
 | Alan McCullough als Man in Stall |
 | Connie Chen als Gwendolyn Ichiban |
 | Brett Alexander Davidson als Bartender (uncredited) |
 | Peter Loung als Dancer (uncredited) |
 | Joseph Oliveira als Restaurant Patron (uncredited) |
 | Leanne Poirier Greenfield als Party Girl (uncredited) |
| Somaya Reece als Bar Girl (uncredited) |
| Kate Steen als Pierce & Pierce Girl (uncredited) |
| Dan Rush als Musician (uncredited) |
 | Alex Trebek als Self (voice, uncredited) |
| Chris Stone als Musician (uncredited) |
| Suzanne Smith | Casting |
| Billy Hopkins | Casting |
| Andrew Marcus | Editor |
| Kerry Barden | Casting |
| Isis Mussenden | Costume Design |
| Andrzej Sekula | Director of Photography |
| Ernie Barbarash | Co-Producer |
| Lauren McLaughlin | Executive In Charge Of Production |
| David Bowie | Music |
| John Cale | Original Music Composer |
| Mary Harron | Screenplay |
| Mary Harron | Director |
| Bret Easton Ellis | Novel |
| Guinevere Turner | Screenplay |
| Christian Halsey Solomon | Producer |
| Chris Hanley | Producer |
| Edward R. Pressman | Producer |
| Gideon Ponte | Production Design |
| Jeanne Develle | Set Decoration |
| Andrew M. Stearn | Art Direction |
| Goro Koyama | Foley Artist |
| Andy Malcolm | Foley Artist |
| Joseph Drake | Executive Producer |
| Michael Paseornek | Executive Producer |
| Gersha Phillips | Assistant Costume Designer |
| Alessandro Camon | Co-Producer |
| Mark Bennett | Casting Associate |
| Benjamin Cheah | Sound Designer |
| Matt Birman | Stunt Coordinator |
| Philip Stilman | Post Production Supervisor |
| Rob Weiss | Co-Producer |
| Lucy Orton | Key Hair Stylist |
| Jeff Sackman | Executive Producer |
| Clare Walker | Local Casting |
| Jane Tattersall | Supervising Sound Editor |
| Kerry Hayes | Still Photographer |
| Patrick Tarr | Set Dressing Artist |
| David McCallum | Sound Effects Editor |
| Garrett Kerr | Dialogue Editor |
| Keith Elliott | Sound Re-Recording Mixer |
| Michael Kavanagh | Special Effects Coordinator |
| Margot Boccia | Makeup Artist |
| Peter Kelly | Sound Re-Recording Mixer |
| Paul Boucher | Camera Operator |
| Victoria Hirst | Line Producer |
| Paul Urmson | Sound Designer |
| Jennifer McNamara | Casting Associate |
| John Quaglia | Hairstylist |
| Sandra Wheatle | Makeup Artist |
| Christopher Covert | Music Supervisor |
| Barry Cole | Music Supervisor |
| Franco Tata | Gaffer |
| Clifford Streit | Co-Producer |
| Michael Blecher | Location Manager |
| Dawn Sorokolit | Script Supervisor |
| Jamie Burke | Construction Coordinator |
| Michael Followes | Property Master |
| Barbara Preser | Assistant Costume Designer |
| Christine Hartmann | Seamstress |
| Mark "Boomwallah" McNeilly | Boom Operator |
| Nancy Jackson | Production Coordinator |
| Jeff Wolpert | Music Editor |
| Henry Embry | Sound Mixer |
| Bernie Zuch | Sound Mixer |
