| Jon Hamm | Don Draper |
| Elisabeth Moss | Peggy Olson |
| Vincent Kartheiser | Pete Campbell |
| January Jones | Betty Francis |
| Christina Hendricks | Joan Harris |
| Aaron Staton | Ken Cosgrove
(credit only) |
| Rich Sommer | Harry Crane |
| Kiernan Shipka | Sally Draper
(credit only) |
| Jessica Paré | Megan Draper
(credit only) |
| Kevin Rahm | Ted Chaough |
| Christopher Stanley | Henry Francis
(credit only) |
| Jay R. Ferguson | Stan Rizzo
(credit only) |
| Mason Vale Cotton | Bobby Draper
(credit only) |
| John Slattery | Roger Sterling |
| Robert Morse | Bertram Cooper |
| Bruce Greenwood | Richard Burghoff |
| Sola Bamis | Shirley |
| Kit Williamson | Ed |
| Stephanie Drake | Meredith |
| H. Richard Greene | Jim Hobart |
| Paul Johansson | Ferg Donnelly |
| Greg Cromer | Dennis Ford |
| Sarah Jane Morris | Laura Baur |
| Mackenzie Astin | Cliff Baur |
| Jama Williamson | Libby Blum |
| Jennifer Hasty | Karen Schmidt |
| Eric Nenninger | Bill Phillips |
| Jill E. Alexander | Marsha
(as Jill Alexander) |
| Iris Braydon | Beverly |
| Pamela Shaddock | Loretta |
| Tim Halligan | Bob Lindy |
| Eva Bella | Julie |
| Ari Herstand | Hippie |
| Paul Avedisian | Boardroom Man
(uncredited) |
| James J. Cox | Boardroom Executive
(uncredited) |
| Elliot Diviney | McCann Creative
(uncredited) |
| Elliott Ehlers | Creative
(uncredited) |
| Tomas Johansson | McCann Creative Director
(uncredited) |
| Benjamin Pitz | McCann Creative
(uncredited) |
| Jeremy Russell | Boardroom Executive
(uncredited) |