| Jon Hamm | Don Draper |
| Elisabeth Moss | Peggy Olson |
| Vincent Kartheiser | Pete Campbell |
| January Jones | Betty Francis
(credit only) |
| Christina Hendricks | Joan Harris |
| Jared Harris | Lane Pryce
(credit only) |
| Aaron Staton | Ken Cosgrove |
| Rich Sommer | Harry Crane |
| Kiernan Shipka | Sally Draper
(credit only) |
| Jessica Paré | Megan Draper |
| Christopher Stanley | Henry Francis
(credit only) |
| Jay R. Ferguson | Stan Rizzo |
| Robert Morse | Bertram Cooper |
| John Slattery | Roger Sterling |
| Alison Brie | Trudy Campbell |
| Julia Ormond | Marie Calvet |
| Embeth Davidtz | Rebecca Pryce |
| Alexis Bledel | Beth Dawes |
| Jay Paulson | Adam Whitman |
| Teyonah Parris | Dawn Chambers |
| Ben Feldman | Michael Ginsberg |
| Kevin Rahm | Ted Chaough |
| Lou Richards | Charles Butler, Jr. |
| Jeff Clarke | Howard Dawes |
| Jon Manfrellotti | Art Garten |
| Jay Seals | Marvin Woodman |
| Emily Baldoni | Emily
(as Emily Foxler) |
| James Martin Kelly | Conductor |
| Sadie Alexandru | Scarlett |
| Geoffrey Wade | Dr. Leonard |
| Mary Kathleen Gordon | Nurse
(as Mary-Kathleen Gordon) |
| Madeleine Hamer | Blonde |
| Kevin Wayne Berger | Bobby
(uncredited) |
| Timothy Douglas | CGC Creative Employee
(uncredited) |
| Alexandra Ella | Clara
(voice) (uncredited) |
| Stephanie Gillis | Woman at Bar
(uncredited) |
| Cary Huff | Sterling, Cooper Client
(uncredited) |
| Al Jean | Man at Bar
(uncredited) |
| Robert Malone | Lawyer in Bar
(uncredited) |
| Stewart Strauss | Film Director
(uncredited) |