| Johanna 'Jo' Mitchell (as Meaghan Jette Martin) | 梅甘·洁特·马丁
 | |
| Abby Hanover | 詹妮弗·斯通
 | |
| Hope Plotnick | 妮可·盖尔·安德森
 | |
| Mandi Weatherly | 玛雅拉·沃什
 | |
| Chastity Meyer | 克莱尔·霍尔特
 | |
| Tyler Adams | 迭戈·冈萨雷斯
 | |
| Rod Mitchell | 林登·阿施拜
 | |
| Ilene Hanover | 罗达·格里菲斯
 | |
| Mr. Giamatti | Mike Pniewski | |
| Nick 'Big Z' Zimmer | Patrick Johnson
 | |
| Principal Duvall | 蒂姆·麦道斯
 | |
| Elliott Gold | Colin Dennard | |
| Violet | Amber Wallace | |
| Mr. Winkle | Dan Coleman | |
| Quinn Shinn | Bethany Anne Lind | |
| Coco Chanel (as 'Lil' Bit) | Lil Bit | |
| Ling | Juliet Kim | |
| May | Willie Larson | |
| Bouncer | Greg Perrow | |
| Front Desk Secretary | Kimberly Banta | |
| Cafeteria Girl | Rachel Filsoof | |
| Rugby Girl | Katelyn E. Bulluck | |
| Fifth Year Senior | Kelly Gilmore | |
| Karate Girl | 奥图姆·黛尔
 | |
| Young Mandi | Anna Cate Donelan | |
| Sidney Hanover | Donn Lamkin | |
| Extra (uncredited) | Codi Ann Amis | |
| Student (uncredited) | Kara Riann Brown | |
| Police Officer #1 (uncredited) | Edward Bryan | |
| The Jock (uncredited) | Tracy Campbell | |
| Teacher (uncredited) | Nilsa Castro | |
| Delivery Man (uncredited) | Arthur C. Chesser | |
| Little Jo (uncredited) | Tatum Etheridge | |
