An overenthusiastic high-school maintenance man attempts to lead an unlikely group of misfits to the Nebraska state tennis championship in Balls Out: The Gary Houseman Story? director Danny Leiner's underdog sports comedy. American Pie star Seann William Scott stars as the ambitious janitor who believes he has what it takes to coach the winning team.
| Actor | Role |
|---|---|
 Seann William ScottGary | Gary |
 Randy QuaidCoach Lew Tuttle | Coach Lew Tuttle |
 Brando EatonMike Jensen | Mike Jensen |
 Leonor VarelaNorma Sanchez | Norma Sanchez |
 A.D. MilesSteve Pimble | Steve Pimble |
 Emilee WallaceJenny Tuttle | Jenny Tuttle |
 Tim WilliamsDick Daubert | Dick Daubert |
 Ryan SimpkinsAmy Daubert | Amy Daubert |
 Conor DonovanBurke Nibbons | Burke Nibbons |
 Allen EvangelistaMaricar | Maricar |
 Justin ChonJoe Chang | Joe Chang |
 Meredith EatonMrs. Tuttle | Mrs. Tuttle |
 Deke AndersonGil Houseman | Gil Houseman |
 Chandler CanterburyGary Houseman (8 Years) | Gary Houseman (8 Years) |
| TTricia BerganStephie the Stripper | Stephie the Stripper |
| CCristal DominguezMexican Stripper | Mexican Stripper |
 Jorge A. JimenezMexican Player at Bar (uncredited) | Mexican Player at Bar (uncredited) |