| Josh Radnor | Ted Mosby |
| Jason Segel | Marshall Eriksen |
| Cobie Smulders | Robin Scherbatsky |
| Neil Patrick Harris | Barney Stinson |
| Alyson Hannigan | Lily Aldrin |
| JoAnna Garcia Swisher | Maggie
(as Joanna Garcia) |
| Jamie Kaler | Jim |
| Charlene Amoia | Wendy |
| George Finn | Jamie |
| Marieve Herington | Betty |
| Jay Lay | Nicest Guy in the World |
| Alec Medlock | Waiter |
| Matthew Moy | Louis |
| Barbara Perry | Mrs. Douglas |
| Michael Spellman | Adam |
| Donnie Bonelli | Herman (chubby boyfriend)
(uncredited) |
| Marcus Lindsey | Hot Guy #1
(uncredited) |
| Bob Saget | Narrator
(voice) (uncredited) |
| Mario Tadinac | Self
(uncredited) |