留级之王是一部美国校园青春喜剧片。主要讲述范·维尔德，这位在学校待了七年还没毕业的大学生的故事。范非常满足于这种悠然自得的生活，他以及他那些英雄事迹——包括炮制并散播笑话、为学生机构酬钱、以及激励那些受气包们等为大家津津乐道。他筹办的舞会水平一流，他是“少女杀手”，是男同胞的指导者。可是，一位校报记者的采访却引起了他自己对这种害怕毕业情节的思考。片中不乏令人想入非非的镜头和画面。通过范，我们可以看到一个不同的人生，甚至引发了范·维尔德哲学的思考。
| 角色 | 演员 | 备注 |
|---|---|---|
| Van Wilder | 瑞安·雷诺兹/Ryan Reynolds | ---- |
| Gwen Pearson | 塔拉·雷德/Tara Reid | ---- |
| Vance Wilder Sr. | 提姆·麦锡森/Tim Matheson | ---- |
| Taj Mahal Badalandabad | 卡尔·潘 | ---- |
| Hutch | Teck Holmes | ---- |
| Richard Bagg | Daniel Cosgrove | ---- |
| Mini Cochran | Deon Richmond | ---- |
| Gordon | Alex Burns | ---- |
| Jeannie | Emily Rutherfurd | ---- |
| Professor Ted McDoogle | Paul Gleason | ---- |
| Himself | 艾瑞克·埃斯特拉达/Erik Estrada | ---- |
| Campus Cop | 柯蒂斯·阿姆斯壮/Curtis Armstrong | ---- |
| Panos Patakos | 杰森·温纳/Jason Winer | ---- |
| Suicidal Freshman | 克里斯·欧文/Chris Owen | ---- |
| Roller Girl | Stacy Bellew | ---- |
| Vernon | 西蒙·赫尔伯格/Simon Helberg | ---- |
| Wasted Guy | 亚伦·保尔/Aaron Paul | ---- |
| Naomi | Ivana Bozilovic | ---- |
| Casey | 金·史密斯/Kim Smith | ---- |
| Hot Female Doctor | Teresa Hill | ---- |
| Holyoke Hottie | 梅根·加拉格尔/Megan Gallagher | ---- |
| Sick Boy | Jason Hopkins | ---- |
| Lindsey | Lydia Hull | ---- |
| Business Manager | Mark Chaet | ---- |
| Coach Ken Massey | Michael Waltman | ---- |
| Ms. Doris Haver | Cynthia Fancher | ---- |
| Leron | Michael Olowokandi | ---- |
| Darius | Darius Miles | ---- |
| Quentin | Quentin Richardson | ---- |
| Coolidge Chickadee Player | 拉玛·奥多姆/Lamar Odom | ---- |
| Pimply Faced Freshman | Nick Puga | ---- |
| Annoyingly Peppy Freshman | Joshua Swanson | ---- |
| Desiree (as Jenny Leone) | Jesse Capelli | ---- |
| Gus | Ronald Hunter | ---- |
| Overweight Freshman | Jeremy Phillips | ---- |
| Gwen's Mom | Darcy Shean | ---- |
| Dr. Beeverman | Harry Danner | ---- |
| Gwen's Dad | Tom Howard | ---- |
| Dr. Henke | John C. Colton | ---- |
| Sally | 索菲亚·布什/Sophia Bush | ---- |
| Dean Mooney | J. Patrick McCormack | ---- |
| English Professor | 格雷格·丹尼尔/Gregg Daniel | ---- |
| Cheesy TV Announcer | Lauren Birkell | ---- |
| Hot Indian Girl | Teesha Lobo | ---- |
| Mrs. Henke | Cheryl Bricker | ---- |
| Thin Pledge | Chris Sowers | ---- |
| Archive Guy | Colin Campbell | ---- |
| Ming Wong Impersonator | Willie Latimore | ---- |
| Little Kid | 西恩·马奎特/Sean Marquette | ---- |
| Little Girl | Sterling Rice | ---- |
| Another Doctor | Albert Owens | ---- |
| Dorky Brother | Anderson Goncalves | ---- |
| Gorgeous Secretary | Anne Varnishung | ---- |
| Martial Arts Freshman | Eric Aude | ---- |