| Andrew 'Andy' Hardy | 米基·鲁尼
 | |
| Judge James K. Hardy | 刘易斯·斯通
 | |
| Aunt Milly Forrest | Sara Haden | |
| Kay Wilson | 博妮塔·格兰维利
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| Miss Isobel Gonzales | 丽娜·罗梅
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| Mrs. Emily Hardy | 菲·霍尔登
 | |
| Coffy Smith | Dorothy Ford | |
| Duke Johnson | Hal Hackett | |
| Dane Kittridge | Dick Simmons | |
| Haberdashery Clerk | Clinton Sundberg | |
| Miss Hattie Geeves | Geraldine Wall | |
| Mr. George Benedict | Addison Richards | |
| Telegraph Employee (uncredited) | Richard Abbott | |
| Jimmy Messenger Boy (uncredited) | Bob Alden | |
| Dancer (uncredited) | Jack Baker | |
| Expressman (uncredited) | Eddy Chandler | |
| Country Club Desk Clerk (uncredited) | Boyd Davis | |
| College Coed (uncredited) | Dolores Dey | |
| Police Sergeant (uncredited) | Eddie Dunn | |
| Boy (uncredited) | William Frambes | |
| Dean's Housekeeper (uncredited) | Jane Green | |
| Dr. White Minister (uncredited) | 福尔摩斯·赫伯特
 | |
| Driver for Contest (uncredited) | Si Jenks | |
| Bus Driver (uncredited) | Nolan Leary | |
| Freshman (uncredited) | Billy Lechner | |
| Student (uncredited) | Irving Lee | |
| Telegraph Clerk (uncredited) | Lucien Littlefield | |
| Moving Man with Trunk (uncredited) | George Magrill | |
