Determined to find out the true effects of marijuana on the human body, stand-up comedian and former Stoner of the Year Doug Benson documents his experience avoiding pot for 30 days and then consuming massive amounts of the drug for 30 days. More than just an amusing story of one man's quest to get superhigh, this documentary also examines the hotly contested debate over medical marijuana use.
| Actor | Role |
|---|---|
 Doug BensonSelf | Self |
 Sarah SilvermanSelf | Self |
 Patton OswaltSelf | Self |
 Jeff RossSelf | Self |
| GGary CohanSelf | Self |
| RRobert GoreSelf | Self |
 Sean TabibianSelf | Self |
 Paul F. TompkinsSelf | Self |
 Bob OdenkirkSelf | Self |
| GGraham ElwoodSelf | Self |
 Jimmy DoreSelf | Self |
 Greg ProopsSelf | Self |
 Rob HuebelSelf | Self |
 Rob RiggleSelf | Self |
 Brian PosehnSelf | Self |
 Arj BarkerSelf | Self |
 Zach GalifianakisSelf | Self |
| CCalvin FryeSelf | Self |
| DDon DuncanSelf | Self |
| JJames UnderdownSelf | Self |
| MMarc EmerySelf | Self |
 Dana GouldSelf | Self |
| CCraig X. RubinSelf | Self |
| JJohn MartySelf | Self |
| DDarrell PaulsenSelf | Self |
| MMissy NarranceSelf | Self |
| RRichard LeeSelf | Self |
| AAndrew GlazierSelf | Self |
| DDennis PeronSelf | Self |
| JJeffrey PrangSelf | Self |