Cast & crew
Duplex (2003)
Directed by Danny DeVito Written by Larry Doyle
Cast
| Ben Stiller | Alex Rose |
| Drew Barrymore | Nancy Kendricks |
| Justin Theroux | Coop |
| Eileen Essell | Mrs. Connelly |
| Harvey Fierstein | Kenneth |
| James Remar | Chick |
| Robert Wisdom | Officer Dan |
| Cheryl Bartel | Ginger |
| Swoosie Kurtz | Jean |
| Wallace Shawn | Herman |
| Maya Rudolph | Tara |
| Amber Valletta | Celine |
| Tim Maculan | Terrence |
| Evgeniy Lazarev | Mr. Dzerzhinsky |
| Jackie Sandler | Bartender |
| Kumar Pallana | Indian Restaurant Owner |
| Philip Perlman | Phil |
| Gary Riotto | Drug Dealer |
| Margie Loomis | Old Biddy #1 |
| Linda Porter | Old Biddy #2 |
| Michelle Krusiec | Dr. Kang |
| Louis Giambalvo | Pharmacist |
| Edward Edwards | Antique Dealer |
| Tracey Walter | Pharmacy Customer |
| John Hamburg | Mr. Friedman |
| Jim Castillo | Weatherman |
| Jenette Goldstein | Moderator |
| Leyna Nguyen | Female Newscaster |
| Chuma Gault | Mailroom Guy |
| Michael Fahn | Sneezer on Train |
| Christina Kirk | Mrs. Friedman |
| Roberta R. Deen | Caterer |
| Christopher Doyle | Tavern Bartender |
| Christine La Fontaine | Don Piper Fan #1 |
| Joey Banks | Police Officer |
| Geraldine Hughes | Receptionist |
| Will Blomquist | College Student on Subway (uncredited) |
| Larry Vigus | Man on Street (uncredited) |
| Danny DeVito | Narrator (voice) (uncredited) |
Crew
| Danny DeVito | Director |
| Larry Doyle | Screenplay |
| Drew Barrymore | Producer |
| Ben Stiller | Producer |
| Greg Hayden | Editor |
| Lynzee Klingman | Editor |
| Anastas N. Michos | Director of Photography |
| Richard N. Gladstein | Executive Producer |
| Jeremy Kramer | Producer |
| Margery Simkin | Casting |
| Stuart Cornfeld | Producer |
| Jennifer Wachtell | Executive Producer |
| Alan C. Blomquist | Executive Producer |
| Larry Doyle | Co-Producer |
| Nancy Juvonen | Producer |
| David Newman | Original Music Composer |
| Harvey Weinstein | Executive Producer |
| Meryl Poster | Executive Producer |
| Charles Croughwell | Stunt Coordinator |
| Joni Avery | Stunts |
| Dennis Widmyer | Art Department Production Assistant |
| Candace Neal | Key Hair Stylist |
| Bob Weinstein | Executive Producer |