| 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
(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 |
| Ben Feldman | Michael Ginsberg |
| Mason Vale Cotton | Bobby Draper
(credit only) |
| Robert Morse | Bertram Cooper |
| John Slattery | Roger Sterling |
| Joel Murray | Fred Rumsen |
| Harry Hamlin | Jim Cutler |
| Talia Balsam | Mona Sterling |
| Teyonah Parris | Dawn Chambers |
| Allan Havey | Lou Avery |
| Trevor Einhorn | John Mathis |
| Elizabeth Rice | Margaret Hargrove |
| Jessy Schram | Bonnie Whiteside |
| Derek Ray | Brooks Hargrove |
| Josh McDermitt | George Payton |
| Robert Baker | Lloyd Hawley |
| Stephen Sullivan | Clay
(as Stephen L. Sullivan) |
| Beth Hall | Caroline |
| Stephanie Drake | Meredith |
| Jill E. Alexander | Marsha
(as Jill Alexander) |
| Jordan Fiderio | Ellery Hargrove |
| Sammy Fiderio | Ellery Hargrove |
| Michelle Lombardo | Sprout |
| Jennifer H. Caldwell | SC&P Secretary
(uncredited) |
| Craig Calman | SC&P Male
(uncredited) |
| Amy Cates | George's Date
(uncredited) |
| Michael DeBartolo | Computer Electrician
(uncredited) |
| Eric John Dugan | Designer
(uncredited) |
| Elio Nimali | Maintenance man
(uncredited) |
| Cheyenne Nugent | SC&P Secretary
(uncredited) |
| Hudson Phillips | SC&P Employee
(uncredited) |
| Channing Sargent | Secretary
(uncredited) |
| Julian Vada | Electrician
(uncredited) |