- Harold Lloyd
- Harold Lamb aka Speedy
- Jobyna Ralston
- Peggy
- Brooks Benedict
- The College Cad
- James H. Anderson
- The College Hero
- Hazel Keener
- The College Belle
- Joseph Harrington
- The College Tailor
- Pat Harmon
- The Football Coach
- Leon Beaumon
- Student
- Ethel Broadhurst
- Woman watching away when Harold lost pants
- Roy Brooks
- Tall Student
- Rosalind Byrne
- Girl Caught in Suspenders at Dance
- Charles Farrell
- Student Bell Ringer at Frolic
- Wally Howe
- Gardener
- Gus Leonard
- Waiter Who Takes Harold's Pants
- King Lockwood
- Student
- George Marion
- Train Passenger
- The Wonder Dog Pal
- Pete the Dog
- Oscar Smith
- Dean's Chauffeur
- Charles Stevenson
- Assistant Coach
- Grady Sutton
- Student Who Goes to Dean
- May Wallace
- Harold's Mother
