| Darren Criss | Andrew Cunanan |
| Judith Light | Marilyn Miglin |
| Mike Farrell | Lee Miglin |
| Alex Fernandez | Matt L. Rodriguez |
| Jack Armstrong | J. Paul Beitler |
| Jacob Fortner | Duke Miglin |
| Gregg Lawrence | William Reese |
| Patrick O'Connor | Steve Byers |
| Pamela Shafer | Barbara Byers |
| Matt Miller | Jim Edgar |
| Nicola Lambo | HSN Presenter Terry Mason |
| Courtney Cook | Producer |
| Nina O'Keefe | Officer Olive Dickey |
| Robert Maffia | Chicago Detective One |
| Randall Wulff | Chicago Detective Two |
| Dan Wells | Chicago Police Offier One |
| Scott Subiono | Forensic Officer One |
| Chandra Michaels | Chicago Journalist |
| Hope Banks | Carrie |
| Michael I. Goode | Chicago Police Officer |
| John Grady | Church Representative |
| Phil Madura | Police Officer |
| Matthew Salter | News 16 Cameraman |
| Mark Slater | Businessman |
| Mike Whaley | Chicago Police Officer |
| Hans Dieter Wolff | News Reporter Miglin House |