| Joel McHale | Jeff Winger |
| Gillian Jacobs | Britta Perry |
| Danny Pudi | Abed Nadir |
| Yvette Nicole Brown | Shirley Bennett |
| Alison Brie | Annie Edison |
| Donald Glover | Troy Barnes |
| Ken Jeong | Ben Chang |
| Chevy Chase | Pierce Hawthorne |
| Jack Black | Buddy |
| Jim Rash | Dean Pelton |
| Dino Stamatopoulos | Star-Burns |
| D.C. Pierson | Mark Millot
(as DC Pierson) |
| Monica Young | Female Spanish Professor |
| Chlesie B. | Journalism Student
(uncredited) |
| Bobby Garcia | College Student
(uncredited) |
| Hiromi Oshima | Girl in Other Study Group
(uncredited) |
| Keith Saltojanes | Greendale Student
(uncredited) |
| Owen Wilson | Other Study Group's Leader
(uncredited) |