| Lou Pucci | ... Justin Cobb |
| Tilda Swinton | ... Audrey Cobb |
| Vincent D'Onofrio | ... Mike Cobb |
| Keanu Reeves | ... Perry Lyman |
| Benjamin Bratt | ... Matt Schramm |
| Kelli Garner | ... Rebecca |
|
| and |
| Vince Vaughn | ... Mr. Geary |
|
| Ted Beckman | ... Stoner Guy |
| Arvin V. Entena | ... Perry Lyman's Assistant |
| Tyler Gannon | ... Stoner Chick |
| Allen Go | ... Biology Teacher |
| Dakota Goldhor | ... Girl on Plane |
| Walter Kirn | ... Debate Judge |
| Kit Koenig | ... Principal |
| Sarah Lucht | ... English Teacher |
| Eric Normington | ... Hotel Desk Clerk |
| Nancy O'Dell | ... Herself |
| Chase Offerle | ... Joel Cobb |
| Lanette Prazeau | ... School Nurse |
| Bob Stephenson | ... Debate Official |
| Colton Tannner | ... Ten Year-Old Justin |
|
| The Debaters |
| Sarah Bing | ... Sasha -- "I Only Drink Beer." |
| Echo Brooks | ... Elise -- "TV Violence Kills Morality." |
| Olivia Brown | ... Ashley -- The Stone-Faced Killer |
| Patrick Chu | ... Kevin -- "You're Missing My Point." |
| Sarah Iverson | ... Rene -- "Anybody Want Any Peach Schnapps?" |
| Lin Lu | ... Kate -- "Accountability Needs to Be Enforced." |
| Maura McNamara | ... Lisa -- "You're Right. TV's Not Real." |
| Mahdad Rezaujan | ... Mark -- "Whatever, Speedfreak." |
|
| The Line |
| Teresa Alonso | ... Woman in Labor |
| Robert Blanche | ... Partner |
| Phaedra Pardue | ... Love Interest |
