| Amy Poehler | Leslie Knope |
| Rashida Jones | Ann Perkins |
| Aziz Ansari | Tom Haverford |
| Nick Offerman | Ron Swanson |
| Aubrey Plaza | April Ludgate |
| Chris Pratt | Andy Dwyer |
| Adam Scott | Ben Wyatt |
| Rob Lowe | Chris Traeger |
| Jim O'Heir | Jerry Gergich |
| Retta | Donna Meagle |
| Ben Zelevansky | Ranger Patrick |
| Amy Tolsky | Lucinda |
| Jessica Hansen | Kate |
| Lauren White | Lacey |
| Jenny Anne Hochberg | Talia
(as Jenny Hochberg) |
| Barbara Boxer | Barbara Boxer |
| John McCain | John McCain |
| Timothy Buck | Lawyer
(uncredited) |
| Alan Davis | Aide
(uncredited) |
| Brian Foreman | Reception Attendee
(uncredited) |
| Neal McNeil | Tourist
(uncredited) |
| Lisa Rodriguez | Mom in Park
(uncredited) |
| Olympia Snowe | Olympia Snowe
(uncredited) |
| Al Sotto | Tourist
(uncredited) |
| Kimelia Weathers | Congressional Aide
(uncredited) |