| Kate Albrecht | ... | Christy (3 episodes) |
| Jordan Belfi | ... | Adam Davies (3 episodes) |
| Leighton Meester | ... | Justine Chapin (2 episodes) |
| Frank Medrano | ... | Liquor Store Cashier (2 episodes) |
| Lisa Donahue | ... | Vince's Girl (2 episodes) |
| April Scott | ... | Model (2 episodes) |
| Irina Voronina | ... | Ring girl (2 episodes) |
| Beau Garrett | ... | Girl from Vince's Gym (2 episodes) |
| Joshua LeBar | ... | Josh Weinstein (2 episodes) |
| Julian Wells | ... | Stripper (2 episodes) |
| Cliff Dorfman | ... | Cliff (2 episodes) |
| Bogdan Szumilas | ... | Agent (2 episodes) |
| Mark Wahlberg | ... | Mark Wahlberg (1 episode) |
| Ali Larter | ... | Herself (1 episode) |
| Donald Devoux | ... | Slimfast (1 episode) |
| Arielle Kebbel | ... | Layla (1 episode) |
| Angie Patterson | ... | Deborah (1 episode) |
| Courtney Peldon | ... | Jane (1 episode) |
| Catharine Candelario | ... | Fred Segal Woman (1 episode) |
| Heather LaCombe | ... | Fred Segal Woman (1 episode) |
| Corinn Nomad | ... | Fred Segal Woman (1 episode) |
| Brooke Tobol | ... | Fred Segal Woman (1 episode) |
| Alana Morshead | ... | Celine (1 episode) |
| Dru Mouser | ... | Limo Girl (1 episode) |
| Danny A. Abeckaser | ... | Paparazzi (1 episode) |
| Alex Berliner | ... | Paparazzi (1 episode) |
| Henry Penzi | ... | Paparazzi (1 episode) |
| Maila Damian | ... | Bikini Girl (1 episode) |
| Ari Emanuel | ... | Himself (1 episode) |
| Costanza Guerrini | ... | Fan Girl (1 episode) |
| Laura Mayes | ... | Restaurant Patron (1 episode) |
| Rachel Paquin | ... | Herself (1 episode) |
| Robbin Ryan | ... | Curtain Girl (1 episode) |
| Jessica Alba | ... | Herself (1 episode) |
| David Faustino | ... | Himself (1 episode) |
| Paul Herman | ... | Marvin (1 episode) |
| Marshall Manesh | ... | Rolls Royce Manager (1 episode) |
| Monica Allgeier | ... | Eric's Girl (1 episode) |
| Nicole Garza | ... | Girl #1 in Car (1 episode) |
| Armando Ortega | ... | Urth Caffé Valet (1 episode) |