Buster Keaton
Ronald, The Boy
Anne Cornwall
Mary Haynes, The Girl
Flora Bramley
Mary's friend
Harold Goodwin
Jeff Brown, A rival
Snitz Edwards
The Dean
Carl Harbaugh
Crew Coach
Sam Crawford
Baseball Coach
Florence Turner
A Mother
Lee Barnes
USC Athlete (uncredited)
Robert Boling
USC Athlete (uncredited)
Charley Borah
USC Athlete (uncredited)
Leighton Dye
USC Athlete (uncredited)
Paul Goldsmith
USC Athlete (uncredited)
Kenneth Grumbles
USC Athlete (uncredited)
Charlie Hall
Coxswain (uncredited)
Bud Houser
USC Athlete (uncredited)
Morton Kaer
USC Athlete (uncredited)
Eric Mack
USC Athlete (uncredited)
James T. Mack
High School Principal (uncredited)
Buddy Mason
Jeff's Friend (uncredited)
Madame Sul-Te-Wan
Cook (uncredited)
Grant Withers
Jeff's Friend (uncredited)
Shorty Worden
USC Athlete (uncredited)