| Jon Hamm | Don Draper |
| Elisabeth Moss | Peggy Olson |
| Vincent Kartheiser | Pete Campbell
(credit only) |
| January Jones | Betty Draper |
| Christina Hendricks | Joan Harris |
| Bryan Batt | Salvatore Romano
(credit only) |
| Michael Gladis | Paul Kinsey
(credit only) |
| Aaron Staton | Ken Cosgrove
(credit only) |
| Rich Sommer | Harry Crane
(credit only) |
| Robert Morse | Bertram Cooper |
| John Slattery | Roger Sterling |
| Kiernan Shipka | Sally Draper |
| Sam Page | Greg Harris |
| Eric Ladin | William Hofstadt |
| Abigail Spencer | Suzanne Farrell |
| Mary Page Keller | Annabelle Mathis |
| Patrick Cavanaugh | Smitty Smith |
| Kristoffer Polaha | Carlton Hanson |
| Dan Desmond | Milton Lowell |
| Alexa Alemanni | Allison |
| Jared Gilmore | Bobby Draper
(as Jared S. Gilmore) |
| Edin Gali | Kurt |
| Anthony Burch | Marty Faraday |
| Troy Vincent | Researcher |
| Jay Burns | Bulldog Man |
| Mark Doerr | Mutt Man |
| Julia Sanford | Griffon Woman
(as Julie Sanford) |
| Cary Huff | Businessman Gambler
(uncredited) |
| Arne Starr | The Artist
(uncredited) |
| Doug Turcza | Office Worker
(uncredited) |
| Hayley Zeccardi | Trick or Treater
(uncredited) |