| Jon Hamm | Don Draper |
| Elisabeth Moss | Peggy Olson |
| Vincent Kartheiser | Pete Campbell |
| January Jones | Betty Francis
(credit only) |
| Christina Hendricks | Joan Harris |
| Aaron Staton | Ken Cosgrove |
| Rich Sommer | Harry Crane |
| Kiernan Shipka | Sally Draper
(credit only) |
| Jessica Paré | Megan Draper |
| Kevin Rahm | Ted Chaough |
| Christopher Stanley | Henry Francis
(credit only) |
| Jay R. Ferguson | Stan Rizzo |
| Ben Feldman | Michael Ginsberg
(credit only) |
| Mason Vale Cotton | Bobby Draper
(credit only) |
| Robert Morse | Bertram Cooper
(credit only) |
| John Slattery | Roger Sterling |
| Alison Brie | Trudy Campbell |
| Linda Cardellini | Sylvia Rosen |
| James Wolk | Bob Benson |
| Brian Markinson | Dr. Arnold Rosen |
| Gary Basaraba | Herb Rennet |
| Trevor Einhorn | John Mathis |
| Yaani King Mondschein | Phyllis
(as Yaani King) |
| Morgan Rusler | Mack Johnson |
| Julie Alexander | Ernestine |
| Megan Ferguson | Ms. Swenson |
| Kip Pardue | Tim Jablonski |
| John Sloman | Raymond Geiger |
| Collette Wolfe | Brenda |
| Katie Walder | Sherry |
| Oliver Muirhead | John Echolls |
| Stephanie Drake | Meredith |
| Kit Williamson | Ed |
| Brandon Killham | Young Dick Whitman |
| Brynn Horrocks | Abigail Whitman |
| Keenan Henson | Doug |
| Bryan Chesters | Bill |
| Toni Torres | Lucy |
| Peter Arpesella | Waiter |
| Martin Dew | Hugh Hibbert |
| Timothy Douglas | CGC Creative Employee
(uncredited) |
| Cheyenne Nugent | SC&P Secretary
(uncredited) |
| Hudson Phillips | SCDP Male
(uncredited) |