| Bryan Cranston | Walter White |
| Anna Gunn | Skyler White |
| Aaron Paul | Jesse Pinkman |
| Dean Norris | Hank Schrader |
| Betsy Brandt | Marie Schrader |
| RJ Mitte | Walter White, Jr. |
| Max Arciniega | Krazy-8 |
| John Koyama | Emilio |
| Steven Michael Quezada | Gomez |
| Marius Stan | Bogdan |
| Aaron Hill | Jock |
| Gregory Chase | Dr. Belknap
(as Greg Chase) |
| Carmen Serano | Carmen |
| Evan Bobrick | Chad |
| Roberta Marquez Seret | Chad's Girlfriend
(as Roberta Marquez) |
| Christopher Dempsey | E.M.T. |
| Allan Pacheco | Irving |
| Jason Byrd | Chemistry Student |
| Linda Speciale | Sexy Neighbor |
| Jesus Ramirez | Jock's Friend #1 |
| Joshua S. Patton | Jock's Friend #2 |
| Ed Duran | DEA Agent #1
(uncredited) |
| Andrea Good | Laundry Worker
(uncredited) |
| Sergio Kato | DEA Agent Tom
(uncredited) |
| Benjamin Lax | Chemistry Student
(uncredited) |
| Norm Lee | Family 1st Store Patron
(uncredited) |
| William E. Marshall | Parent
(uncredited) |
| Peggy Ann O'Neal | Pedestrian
(uncredited) |